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ITU标准介绍及下载索引(上）A-P

[size=2][color=#0000FF][align=center]ITU的介绍 [/align]
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     ITU是International Telecommunication Union (国际电信联盟)的英文缩写。该组织是为了全球各成员国或地区之间进行电信事业发展和通信合理使用的合作而成立的。其工作主要分为三个部分：ITU-R 为无线通信部分，工作目的是确保合理、公平、有效、经济地使用频谱和卫星轨道资源。ITU-T 为电信标准化部分，ITU-D为电信发展部分。

     各种ITU会议所产生的文献有：会议录、建议书、白色文件(会议文稿)、手册、导则等。ITU-T的建议是集中有关意见，由各相关部门自愿接受的标准。ITU-R的建议是命令,由各主权国家在法律上接受。与ITU-R建议保持一致,是国际法的要求。ITU-D的建议则是提供成功的经验，供发展中国家参考。 [/color][/size]

[size=2]A系列
ITU-T Rec. A.Sup1 (09/98) Guidelines on quality aspects of protocol related Recommendations
ITU-T Rec. A.1 (10/96) Work Methods for Study Groups of the ITU Telecommunication Standardization
Sector (ITU-T)
ITU-T Rec. A.2 (10/96) Presentation of contributions relative to the study of questions assigned to the
ITU-T
ITU-T Rec. A.3 (10/96) Elaboration and presentation of texts and development of terminology and other
means of expression for Recommendations of the ITU Telecommunication Standardization Sector
ITU-T Rec. A.3 Amd 1 (09/98) Modifications of document type definitions
ITU-T Rec. A.4 (10/96) Communication process between ITU-T and Forums and Consortia
ITU-T Rec. A.5 Annex B (09/98) Generic procedures for including references to documents of other
organizations in ITU-T Recommendations - Annex B: Information specific to The ATM Forum documents
ITU-T Rec. A.5 (01/98) Generic procedures for including references to documents of other organizations in
ITU-T Recommendations
ITU-T Rec. A.6 (09/98) Cooperation and exchange of information between ITU-T and national and regional
standards development organizations
ITU-T Rec. A.23 (10/96) Collaboration with the International Organization for Standardization (ISO) and the
International Electrotechnical Commission (IEC) on information technology
ITU-T Rec. A.23 Annex A (10/96) Guide to ITU-T and ISO/IEC JTC1 cooperation
ITU-T Rec. A.30 (03/93) Major degradation or disruption of service
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B系列
ITU-T Rec. B.1 (11/88) Letter symbols for telecommunications
ITU-T Rec. B.3 (11/88) Use of the international system of units (SI)
ITU-T Rec. B.10 (11/88) Graphical symbols and rules for the preparation of documentation in
telecommunications
ITU-T Rec. B.11 (11/88) Legal time - use of the term UTC
ITU-T Rec. B.12 (11/88) Use of the decibel and the neper in telecommunications
ITU-T Rec. B.13 (11/88) Terms and definitions
ITU-T Rec. B.14 (11/88) Terms and symbols for information quantities in telecommunications
ITU-T Rec. B.15 (10/96) Nomenclature of the frequency and wavelength bands used in telecommunications
ITU-T Rec. B.16 (11/88) Use of certain terms linked with physical quantities
ITU-T Rec. B.17 (11/88) Adoption of the CCITT Specification and description Language (SDL)
ITU-T Rec. B.18 (03/93) Traffic intensity unit
ITU-T Rec. B.19 (10/96) Abbreviations and initials used in telecommunications
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C系列
ITU-T Rec. C.1 (03/93) ITU statistical yearbook
ITU-T Rec. C.2 (10/96) Collection and dissemination of official service information
ITU-T Rec. C.3 (03/93) Instructions for international telecommunication services
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D系列
ITU-T Rec. D.Sup3 (03/93) Handbook on the methodology for determining costs and establishing national
tariffs
ITU-T Rec. D.000 (03/93) Terms and definitions for the Series-D Recommendations
ITU-T Rec. D.1 (07/91) General principles for the lease of international (continental and intercontinental)
private telecommunication circuits and networks
ITU-T Rec. D.3 (06/92) Principles for the lease of analogue international circuits for private service
ITU-T Rec. D.4 (12/98) Special conditions for the lease of international (continental and intercontinental)
sound- and television-programme circuits for private service
ITU-T Rec. D.5 (11/88) Costs and value of services rendered as factors in the fixing of rates
ITU-T Rec. D.7 (01/92) Concept and implementation of "one-stop shopping" for international private
leased telecommunication circuits
ITU-T Rec. D.8 (11/88) Special conditions for the lease of international end-to-end digital circuits for
private service
ITU-T Rec. D.9 (11/88) Private leasing of transmitters or receivers
ITU-T Rec. D.10 (07/91) General tariff principles for international public data communication services
ITU-T Rec. D.11 (03/91) Special tariff principles for international packet-switched public data
communication services by means of the virtual call facility
ITU-T Rec. D.12 (11/80) Measurement unit for charging by volume in the international packet-switched
data communication service
ITU-T Rec. D.13 (10/84) Guiding principles to govern the apportionment of accounting rates in
international packet-switched public data communication relations
ITU-T Rec. D.15 (11/88) General charging and accounting principles for non-voice services provided by
interworking between public data networks
ITU-T Rec. D.20 (11/80) Special tariff principles for the international circuit-switched public data
communication services
ITU-T Rec. D.21 (11/88) Special tariff principles for short transaction transmissions on the international
packet switched public data networks using the fast select facility with restriction
ITU-T Rec. D.30 (10/84) Implementation of reverse charging on international public data communication
services
ITU-T Rec. D.35 (01/92) General charging principles in the international public message handling services
and associated applications
ITU-T Rec. D.36 (03/95) General accounting principles applicable to message handling services and
associated applications
ITU-T Rec. D.37 (07/96) Accounting and settlement principles applicable to the provision of public
directory services between interconnected Directory Management Domains
ITU-T Rec. D.40 (06/92) General tariff principles applicable to telegrams exchanged in the international
public telegram service
ITU-T Rec. D.41 (11/80) Introduction of accounting rates by zones in the international public telegram
service
ITU-T Rec. D.42 (11/88) Accounting in the international public telegram service
ITU-T Rec. D.43 (11/88) Partial and total refund of charges in the international public telegram service
ITU-T Rec. D.45 (06/92) Charging and accounting principles for the international telemessage service
ITU-T Rec. D.60 (07/91) Guiding principles to govern the apportionment of accounting rates in
intercontinental telex relations
ITU-T Rec. D.61 (11/88) Charging and accounting provisions relating to the measurement of the chargeable
duration of a telex call
ITU-T Rec. D.65 (11/88) General charging and accounting principles in the international telex service for
multi-address messages via store-and-forward units
ITU-T Rec. D.67 (03/95) Charging and accounting in the international telex service
ITU-T Rec. D.70 (06/92) General tariff principles for the international public facsimile service between
public bureaux (bureaufax service)
ITU-T Rec. D.71 (06/92) General tariff principles for the public facsimile service between subscriber stations
(telefax service)
ITU-T Rec. D.73 (06/92) General tariff and international accounting principles for interworking between the
international bureaufax and telefax services
ITU-T Rec. D.79 (07/91) Charging and accounting principles in the international videotex service
ITU-T Rec. D.80 (11/88) Accounting and refunds for phototelegrams
ITU-T Rec. D.81 (11/88) Accounting and refunds for private phototelegraph calls
ITU-T Rec. D.83 (11/88) Rates for phototelegrams and private phototelegraph calls
ITU-T Rec. D.85 (11/88) Charging for international phototelegraph calls to multiple destinations
ITU-T Rec. D.90 (03/95) Charging, billing, international accounting and settlement in the maritime mobile
service
ITU-T Rec. D.91 (07/96) Transmission in encoded form of maritime telecommunications accounting
information
ITU-T Rec. D.93 (11/88) Charging and accounting in the international land mobile telephone service
(provided via cellular radio systems)
ITU-T Rec. D.94 (01/92) Charging, billing and accounting principles for international aeronautical mobile
service, and international aeronautical mobile-satellite service
ITU-T Rec. D.95 (10/92) Charging, billing, accounting and refunds in the data messaging land/maritime
mobile-satellite service
ITU-T Rec. D.100 (11/88) Charging for international calls in manual or semi-automatic operating
ITU-T Rec. D.103 (06/92) Charging in automatic service for calls terminating on a recorded announcement
stating the reason for the call not being completed
ITU-T Rec. D.104 (11/88) Charging for calls to subscriber's station connected either to the absent
subscriber's service or to a device substituting a subscriber in his absence
ITU-T Rec. D.105 (12/72) Charging for calls from or to a public call office
ITU-T Rec. D.106 (12/72) Introduction of reduced rates during periods of light traffic in international
telephone service
ITU-T Rec. D.110 (06/92) Charging and accounting for conference calls
ITU-T Rec. D.115 (10/96) Tariff principles and accounting for the International Freephone Service (IFS)
ITU-T Rec. D.116 (10/96) Charging and accounting principles relating to the home country direct telephone
service
ITU-T Rec. D.117 (06/99) Charging and accounting principles for the international premium rate service
(IPRS)
ITU-T Rec. D.120 (07/96) Charging and accounting principles for the international telecommunication charge
card service
ITU-T Rec. D.140 (07/98) Accounting rate principles for international telephone services
ITU-T Rec. D.150 (06/99) New system for accounting in international telephony
ITU-T Rec. D.151 (12/72) Old system for accounting in international telephony
ITU-T Rec. D.155 (07/96) Guiding principles governing the apportionment of accounting rates in
intercontinental telephone relations
ITU-T Rec. D.160 (11/88) Mode of application of the flat-rate price procedure set forth in Recommendation
D.67 and Recommendation D.150 for remuneration of facilities made available to the Administrations of
other countries
ITU-T Rec. D.170 (06/98) Monthly telephone and telex accounts
ITU-T Rec. D.171 (11/88) Adjustments and refunds in the international telephone service
ITU-T Rec. D.172 (12/72) Accounting for calls circulated over international routes for which accounting
rates have not been established
ITU-T Rec. D.173 (11/88) Defaulting subscribers
ITU-T Rec. D.174 (12/72) Conventional transmission of information necessary for billing and accounting
regarding collect and credit card calls
ITU-T Rec. D.176 (12/97) Covering Note
ITU-T Rec. D.176 (12/97) Transmission in encoded form of telephone reversed charge billing and
accounting information
ITU-T Rec. D.177 (11/88) Adjustment of charges and refunds in the international telex service
ITU-T Rec. D.178 (03/93) Monthly accounts for semi-automatic telephone calls (ordinary and urgent calls,
with or without special facilities)
ITU-T Rec. D.180 (06/98) Occasional provision of circuits for international sound- and television-programme
transmissions
ITU-T Rec. D.185 (11/88) General tariff and accounting principles for international one-way
point-to-multipoint satellite services
ITU-T Rec. D.186 (10/96) General tariff and accounting principles for international two-way multipoint
telecommunication service via satellite
ITU-T Rec. D.188 (10/92) General charging and accounting principles applicable to an international
videoconferencing service
ITU-T Rec. D.190 (09/95) Exchange of international traffic accounting data between Administrations using
electronic data interchange (EDI) techniques
ITU-T Rec. D.192 (06/92) Principles for charging and accounting of service telecommunications
ITU-T Rec. D.193 (11/88) Special tariff principles for privilege telecommunications
ITU-T Rec. D.196 (06/92) Clearing of international telecommunication balances of accounts
ITU-T Rec. D.197 (07/91) Notification of change of address(es) for accounting and settlement purposes
ITU-T Rec. D.210 (09/94) General charging and accounting principles for international telecommunication
services provided over the Integrated Services Digital Network (ISDN)
ITU-T Rec. D.211 (12/98) International accounting for the use of the signal transfer point and/or signalling
point for relay in Signalling System No. 7
ITU-T Rec. D.212 (10/96) Charging and accounting principles for the use of Signalling System No. 7
ITU-T Rec. D.220 (03/91) Charging and accounting principles to be applied to international circuit-mode
demand bearer services provided over the integrated services digital network (ISDN)
ITU-T Rec. D.225 (12/97) Charging and accounting principles to be applied to frame relay data
transmission service
ITU-T Rec. D.230 (03/95) General charging and accounting principles for supplementary services associated
with international telecommunication services provided over the Integrated Services Digital Network (ISDN)
ITU-T Rec. D.231 (11/88) Charging and accounting principles relating to the User-to-User Information (UUI)
supplementary service
ITU-T Rec. D.232 (05/97) Specific tariff and accounting principles applicable to ISDN supplementary services
ITU-T Rec. D.233 (07/96) Charging and accounting principles to be applied to the reversed charge
supplementary service
ITU-T Rec. D.240 (03/91) Charging and accounting principles for teleservices supported by the ISDN
ITU-T Rec. D.250 (07/91) General charging and accounting principles for non-voice services provided by
interworking between the ISDN and existing public data networks
ITU-T Rec. D.251 (11/88) General charging and accounting principles for the basic telephone service
provided over the ISDN or by interconnection between the ISDN and the public switched telephone network
ITU-T Rec. D.260 (03/91) Charging and accounting capabilities to be applied on the ISDN
ITU-T Rec. D.280 (03/95) Principles for charging and billing, accounting and reimbursements for universal
personal telecommunication
ITU-T Rec. D.285 (07/96) Guiding principles for charging and accounting for intelligent network supported
services
ITU-T Rec. D.286 (07/96) Charging and accounting principles for the global virtual network service
ITU-T Rec. D.300 R (03/95) Determination of accounting rate shares in telephone relations between
countries in Europe and the Mediterranean Basin
ITU-T Rec. D.301 R (03/95) Determination of accounting rate shares and collection charges in telex
relations between countries in Europe and the Mediterranean Basin
ITU-T Rec. D.302 R (03/95) Determination of the accounting rate shares and collection charges for the
international public telegram service applicable to telegrams exchanged between countries in Europe and
the Mediterranean Basin
ITU-T Rec. D.303 R (03/95) Determination of accounting rate shares and collection charges applicable by
countries in Europe and the Mediterranean Basin to the occasional provision of circuits for sound- and
television-programme transmissions
ITU-T Rec. D.306 R (07/91) Remuneration of public packet-switched data transmission networks between
the countries of Europe and the Mediterranean Basin
ITU-T Rec. D.307 R (03/95) Remuneration of digital systems and channels used in telecommunication
relations between the countries of Europe and the Mediterranean Basin
ITU-T Rec. D.310 R (03/95) Determination of rentals for the lease of international programme (sound- and
television-) circuits and associated control circuits for private service in relations between countries in
Europe and the Mediterranean Basin
ITU-T Rec. D.500 R (06/98) Accounting rates applicable to telephone relations between countries in Asia
and Oceania
ITU-T Rec. D.501 R (10/93) Accounting rates applicable to telex relations between countries in Asia and
Oceania
ITU-T Rec. D.600 R (10/93) Determination of accounting rate shares and collection charges in telephone
relations between countries in Africa
ITU-T Rec. D.601 R (10/93) Determination of accounting rate shares and collection charges in telex
relations between countries in Africa
ITU-T Rec. D.606 R (11/88) Preferential rates in telecommunication relations between countries in Africa
Notice to Recommendation D.140 (07/98) - Published as a Covering note (07/98) - Applicability of
Appendix II of Annex B (Second data collection method) - Accounting principles for international telephone
services
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E系列
ITU-T Rec. E.100 (11/88) Definitions of terms used in international telephone operation
ITU-T Rec. E.104 (02/95) International telephone directory assistance service and public access
ITU-T Rec. E.105 (08/92) International telephone service
ITU-T Rec. E.109 (02/95) International billed number screening procedures for collect and third-party
calling
ITU-T Rec. E.110 (11/88) Organization of the international telephone network
ITU-T Rec. E.111 (11/88) Extension of international telephone services
ITU-T Rec. E.112 (11/88) Arrangements to be made for controlling the telephone services between two
countries
ITU-T Rec. E.113 (05/97) Validation procedures for the international telecommunications charge card service
ITU-T Rec. E.114 (11/88) Supply of lists of subscribers (directories and other means)
ITU-T Rec. E.115 (02/95) Computerized directory assistance
ITU-T Rec. E.116 (05/97) International telecommunication charge card service
ITU-T Rec. E.117 (06/94) Terminal devices used in connection with the public telephone service (other
than telephones)
ITU-T Rec. E.118 (07/96) The international telecommunication charge card
ITU-T Rec. E.120 (11/88) Instructions for users of the international telephone service
ITU-T Rec. E.121 (07/96) Pictograms, symbols and icons to assist users of the telephone service
ITU-T Rec. E.122 (11/88) Measures to reduce customer difficulties in the international telephone service
ITU-T Rec. E.123 (11/88) Notation for national and international telephone numbers
ITU-T Rec. E.124 (11/88) Discouragement of frivolous international calling to unassigned or vacant numbers
answered by recorded announcements without charge
ITU-T Rec. E.125 (10/84) Inquiries among users of the international telephone service
ITU-T Rec. E.126 (11/88) Harmonization of the general information pages of the telephone directories
published by administrations
ITU-T Rec. E.127 (11/88) Pages in the telephone directory intended for foreign visitors
ITU-T Rec. E.128 (11/88) Leaflet to be distributed to foreign visitors
ITU-T Rec. E.130 (11/88) Choice of the most useful and desirable supplementary telephone services
ITU-T Rec. E.131 (11/88) Subscriber control procedures for supplementary telephone services
ITU-T Rec. E.132 (11/88) Standardization of elements of control procedures for supplementary telephone
services
ITU-T Rec. E.133 (11/88) Operating procedures for cardphones
ITU-T Rec. E.134 (03/93) Human factors aspects of public terminals: generic operating procedures
ITU-T Rec. E.135 (10/95) Human factors aspects of public telecommunication terminals for people with
disabilities
ITU-T Rec. E.136 (05/97) Specification of a tactile identifier for use with telecommunication cards
ITU-T Rec. E.137 (05/97) User instructions for payphones
ITU-T Rec. E.140 (08/92) Operator-assisted telephone service
ITU-T Rec. E.148 (11/88) Routing of traffic by automatic transit exchanges
ITU-T Rec. E.149 (11/88) Presentation of routing data
ITU-T Rec. E.151 (08/92) Telephone conference calls
ITU-T Rec. E.152 (07/96) International freephone service
ITU-T Rec. E.153 (10/96) Home country direct
ITU-T Rec. E.154 (03/98) International shared cost service
ITU-T Rec. E.155 (03/98) International premium rate service
ITU-T Rec. E.161 (05/95) Arrangement of digits, letters and symbols on telephones and other devices that
can be used for gaining access to a telephone network
ITU-T Rec. E.162 (04/95) Capability for seven digit analysis of international E.164 numbers at time T
ITU-T Rec. E.164 (05/97) The international public telecommunication numbering plan
ITU-T Rec. E.164 - Supplement 1 (03/98) ALTERNATIVES FOR CARRIER SELECTION AND NETWORK
IDENTIFICATION
ITU-T Rec. E.164 Supp.2 (11/98) Number Portability
ITU-T Rec. E.164.1 (03/98) Criteria and procedures for the reservation, assignment, and reclamation of
E.164 country codes and associated Identification Codes (ICs)
ITU-T Rec. E.165 (11/88) Timetable for coordinated implementation of the full capability of the numbering
plan for the ISDN era (Recommendation E.164)
ITU-T Rec. E.165.1 (10/96) Use of escape code "0" within the E.164 numbering plan during the transition
period to implementation of NPI mechanism
ITU-T Rec. E.166/X.122 (03/98) NUMBERING PLAN INTERWORKING FOR THE E.164 AND X.121 NUMBERING
PLANS
ITU-T Rec. E.167 (11/88) ISDN network identification codes
ITU-T Rec. E.168 (05/99) Application of E.164 numbering plan for UPT
ITU-T Rec. E.169 (11/98) Application of Recommendation E.164 numbering plan for universal international
freephone numbers for international freephone service
ITU-T Rec. E.170 (10/92) Traffic routing
ITU-T Rec. E.171 (11/88) International telephone routing plan
ITU-T Rec. E.172 (10/92) ISDN routing plan
ITU-T Rec. E.173 (08/91) Routing plan for interconnection between public land mobile networks and fixed
terminal networks
ITU-T Rec. E.174 (04/95) Routing principles and guidance for Universal Personal Telecommunications (UPT)
ITU-T Rec. E.175 (11/88) Models for international network planning
ITU-T Rec. E.177 (10/96) B-ISDN routing
ITU-T Rec. E.180/Q.35 (03/98) TECHNICAL CHARACTERISTICS OF TONES1 FOR THE TELEPHONE SERVICE
ITU-T (Series E) Supplement 2 to Rec. E.180 (01/94) VARIOUS TONES USED IN NATIONAL NETWORKS
ITU-T Rec. E.181 (11/88) Customer recognition of foreign tones
ITU-T Rec. E.182 (03/98) Application of tones and recorded announcements in telephone services
ITU-T Rec. E.183 (03/98) Guiding principles for telephone announcements
ITU-T Rec. E.184 (11/88) Indications to users of ISDN terminals
ITU-T Rec. E.190 (05/97) Principles and responsabilities for the management, assignment and reclamation
of E Series international numbering resources
ITU-T Rec. E.191 (10/96) B-ISDN numbering and addressing
ITU-T Rec. E.201 (08/91) Reference recommendation for mobile services
ITU-T Rec. E.202 (10/92) Network operational principles for future public mobile systems and services
ITU-T Rec. E.210 (11/88) Ship station identification for VHF/UHF and maritime mobile-satellite services
ITU-T Rec. E.211 (11/88) Selection procedures for VHF/UHF maritime mobile services
ITU-T Rec. E.212 (11/98) The international identification plan for mobile terminals and mobile users
ITU-T Rec. E.213 (11/88) Telephone and ISDN numbering plan for land mobile stations in public land
mobile networks (PLMN)
ITU-T Rec. E.214 (11/88) Structure of the land mobile global title for the signalling connection control
part (SCCP)
ITU-T Rec. E.215 (05/97) Telephone/ISDN numbering plan for the mobile-satellite services of Inmarsat
ITU-T Rec. E.220 (02/96) Interconnection of public land mobile networks (PLMN)
ITU-T Rec. E.230 (08/92) Chargeable duration of calls
ITU-T Rec. E.231 (06/92) Charging in automatic service for calls terminating on a recorded announcement
stating the reason for the call not being completed
ITU-T Rec. E.232 (11/88) Charging for calls to subscriber's station connected either to the absent
subscriber's service or to a device substituting a subscriber in his absence
ITU-T Rec. E.250 (X) New system for accounting in international telephony
ITU-T Rec. E.251 (X) Old system for accounting in international telephony
ITU-T Rec. E.252 (X) Mode of application of the flat-rate price procedure set forth in Recommendations
D.67 and D.150 for remuneration of facilities made available to the Administrations of other countries
ITU-T Rec. E.260 (11/88) Basic technical problems concerning the measurement and recording of call
durations
ITU-T Rec. E.261 (11/88) Devices for measuring and recording call durations
ITU-T Rec. E.270 (X) Monthly telephone and telex accounts
ITU-T Rec. E.275 (X) Exchange of international traffic accounting data between Administrations using
electronic data interchange (EDI) techniques
ITU-T Rec. E.276 (X) Transmission in encoded form of telephone reversed charge billing and accounting
information
ITU-T Rec. E.277 (X) Conventional transmission of information necessary for the collection of charges and
the accounting regarding collect and credit card calls
ITU-T Rec. E.300 (11/88) Special uses of circuits normally employed for automatic telephone traffic
ITU-T Rec. E.301 (03/93) Impact of non-voice applications on the telephone network
ITU-T Rec. E.320 (11/88) Speeding up the establishment and clearing of phototelegraph calls
ITU-T Rec. E.323 (11/88) Rules for phototelegraph communications set up over circuits normally used for
telephone traffic
ITU-T Rec. E.330 (11/88) User control of ISDN-supported services
ITU-T Rec. E.331 (10/91) Minimum user-terminal interface for a human user entering address information
into an ISDN terminal
ITU-T Rec. E.333 (11/88) Man-machine interaction
ITU-T Rec. E.401 (11/88) Statistics for the international telephone service (number of circuits in operation
and volume of traffic)
ITU-T Rec. E.410 (03/98) International network management - General information
ITU-T Rec. E.411 (03/98) International network management - Operational guidance
ITU-T Rec. E.412 (03/98) Network management controls
ITU-T Rec. E.413 (11/88) International network management - Planning
ITU-T Rec. E.414 (11/88) International network management - Organization
ITU-T Rec. E.415 (08/91) International network management guidance for common channel signalling
system No. 7
ITU-T Rec. E.420 (11/88) Checking the quality of the international telephone service - General
considerations
ITU-T Rec. E.421 (11/88) Service quality observations on a statistical basis
ITU-T Rec. E.422 (02/96) Observations on international outgoing telephone calls for quality of service
ITU-T Rec. E.423 (11/88) Observations on traffic set up by operators
ITU-T Rec. E.424 (10/92) Test calls
ITU-T Rec. E.425 (11/98) Internal automatic observations
ITU-T Rec. E.426 (10/92) General guide to the percentage of effective attempts which should be observed
for international telephone calls
ITU-T Rec. E.427 (11/88) Collection and statistical analysis of special quality of service observation data for
measurements of customer difficulties in the international automatic service
ITU-T Rec. E.428 (10/92) Connection retention
ITU-T Rec. E.430 (06/92) Quality of service framework
ITU-T Rec. E.431 (06/92) Service quality assessment for connection set-up and release delays
ITU-T Rec. E.432 (06/92) Connection quality
ITU-T Rec. E.433 (06/92) Billing integrity
ITU-T Rec. E.434 (06/92) Subscriber-to-subscriber measurement of the public switched telephone network
ITU-T Rec. E.436 (03/98) Customer Affecting Incidents and blocking Defects Per Million
ITU-T Rec. E.437 (05/99) Comparative metrics for network performance management
ITU-T Rec. E.440 (02/96) Customer satisfaction point
ITU-T Rec. E.450 (03/98) Facsimile quality of service on public networks - General aspects
ITU-T Rec. E.451 (03/93) Facsimile call cut-off performance
ITU-T Rec. E.452 (03/93) Facsimile modem speed reductions and transaction time
ITU-T Rec. E.453 (08/94) Facsimile image quality as corrupted by transmission-induced scan line errors
ITU-T Rec. E.454 (10/96) Transmission performance metrics based on Error Correction Mode (ECM) facsimile
ITU-T Rec. E.456 (03/98) Test transaction for facsimile transmission performance
ITU-T Rec. E.457 (02/96) Facsimile measurement methodologies
ITU-T Rec. E.458 (02/96) Figure of merit for facsimile transmission performance
ITU-T Rec. E.459 (03/98) Measurements and metrics for characterizing facsimile transmission performance
using non-intrusive techniques
ITU-T Rec. E.490 (06/92) Traffic measurement and evaluation - General survey
ITU-T Rec. E.491 (05/97) Traffic measurement by destination
ITU-T Rec. E.492 (02/96) Traffic reference period
ITU-T Rec. E.493 (02/96) Grade of service (GOS) monitoring
ITU-T Rec. E.500 (11/98) Traffic intensity measurement principles
ITU-T Rec. E.501 (05/97) Estimation of traffic offered in the network
ITU-T Rec. E.502 (06/92) Traffic measurement requirements for digital telecommunication exchanges
ITU-T Rec. E.503 (06/92) Traffic measurement data analysis
ITU-T Rec. E.504 (11/88) Traffic measurement administration
ITU-T Rec. E.505 (06/92) Measurements of the performance of common channel signalling network
ITU-T Rec. E.506 (06/92) Forecasting international traffic
ITU-T Rec. E.507 (11/88) Models for forecasting international traffic
ITU-T Rec. E.508 (10/92) Forecasting new telecommunication services
ITU-T Rec. E.510 (10/45) Determination of the number of circuits in manual operation
ITU-T Rec. E.520 (11/88) Number of circuits to be provided in automatic and/or semiautomatic operation,
without overflow facilities
ITU-T Rec. E.521 (11/88) Calculation of the number of circuits in a group carrying overflow traffic
ITU-T Rec. E.522 (11/88) Number of circuits in a high-usage group
ITU-T Rec. E.523 (11/88) Standard traffic profiles for international traffic streams
ITU-T Rec. E.524 (05/99) Overflow approximations for non-random inputs
ITU-T Rec. E.525 (06/92) Designing networks to control grade of service
ITU-T Rec. E.526 (03/93) Dimensioning a circuit group with multi-slot bearer services and no overflow
inputs
ITU-T Rec. E.527 (04/95) Dimensioning at a circuit group with multi-slot bearer services and overflow
traffic
ITU-T Rec. E.528 (02/96) Dimensioning of digital circuit multiplication equipment (DCME) systems
ITU-T Rec. E.529 (05/97) Network dimensioning using end-to-end GOS objectives
ITU-T Rec. E.540 (11/88) Overall grade of service of the international part of an international connection
ITU-T Rec. E.541 (11/88) Overall grade of service for international connections (subscriber-to-subscriber)
ITU-T Rec. E.543 (11/88) Grades of service in digital international telephone exchanges
ITU-T Rec. E.550 (03/93) Grade-of-service and new performance criteria under failure conditions in
international telephone exchanges
ITU-T Rec. E.600 (03/93) Terms and definitions of traffic engineering
ITU-T Rec. E.700 (10/92) Framework of the E.700-Series Recommendations
ITU-T Rec. E.701 (10/92) Reference connections for traffic engineering
ITU-T Rec. E.711 (10/92) User demand modelling
ITU-T Rec. E.712 (10/92) User plane traffic modelling
ITU-T Rec. E.713 (10/92) Control plane traffic modelling
ITU-T Rec. E.716 (10/96) User demand modelling in Broadband-ISDN
ITU-T Rec. E.720 (11/88) ISDN grade of service concept
ITU-T Rec. E.721 (05/99) Network grade of service parameters and target values for circuit-switched services
in the evolving ISDN
ITU-T Rec. E.723 (06/92) Grade-of-service parameters for Signalling System No. 7 networks
ITU-T Rec. E.724 (02/96) GOS parameters and target GOS objectives for IN services
ITU-T Rec. E.728 (03/98) Grade-of-service parameters for B-ISDN signalling
ITU-T Rec. E.731 (10/92) Methods for dimensioning resources operating in circuit switced mode
ITU-T Rec. E.733 (11/98) Methods for dimensioning resources in Signalling System No. 7 networks
ITU-T Rec. E.734 (10/96) Methods for allocating and dimensioning Intelligent Network (IN) resources
ITU-T Rec. E.735 (05/97) Framework for traffic control and dimensioning in B-ISDN
ITU-T Rec. E.736 (05/97) Methods for cell level traffic control in B-ISDN
ITU-T Rec. E.737 (05/97) Dimensioning methods for B-ISDN
ITU-T Rec. E.743 (04/95) Traffic measurements for SS No. 7 dimensioning and planning
ITU-T Rec. E.744 (10/96) Traffic and congestion control requirements for SS No. 7 and IN-structured
networks
ITU-T Rec. E.750 (02/96) Introduction to the E.750-series of Recommendations on traffic engineering
aspects of networks supporting mobile and UPTservices
ITU-T Rec. E.751 (02/96) Reference connections for traffic engineering of land mobile networks
ITU-T Rec. E.752 (10/96) Reference connections for traffic engineering of maritime and aeronautical systems
ITU-T Rec. E.755 (02/96) Reference connections for UPT traffic performance and GOS
ITU-T Rec. E.770 (03/93) Land mobile and fixed network interconnection traffic grade of service concept
ITU-T Rec. E.771 (10/96) Network grade of service parameters and target values for circuit-switched public
land mobile services
ITU-T Rec. E.773 (10/96) Maritime and aeronautical mobile grade of service concept
ITU-T Rec. E.774 (10/96) Network grade of service parameters and target values for maritime and
aeronautical mobile services
ITU-T Rec. E.775 (02/96) UPT grade of service concept
ITU-T Rec. E.776 (10/96) Network grade of service parameters for UPT
ITU-T Rec. E.800 (08/94) Terms and definition related to quality of service and network performance
including dependability
ITU-T Rec. E.801 (10/96) Framework for service quality agreement
ITU-T Rec. E.810 (10/92) Framework of the Recommendations on the serveability performance and service
integrity for telecommunication services
ITU-T Rec. E.820 (10/92) Call models for serveability and service integrity performance
ITU-T Rec. E.830 (10/92) Models for the specification, evaluation and allocation of serveability and service
integrity
ITU-T Rec. E.845 (11/88) Connection accessibility objective for the international telephone service
ITU-T Rec. E.846 (03/93) Accessibility for 64 kbit/s circuit switched international end-to-end ISDN
connection types
ITU-T Rec. E.850 (10/92) Connection retainability objective for the international telephone service
ITU-T Rec. E.855 (11/88) Connection integrity objective for the international telephone service
ITU-T Rec. E.862 (06/92) Dependability planning of telecommunication networks
ITU-T Rec. E.880 (11/88) Field data collection and evaluation on the performance of equipment, networks
and services
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F系列
ITU-T Rec. F.1 (03/98) Operational provisions for the international public telegram service
ITU-T Rec. F.2 (11/88) Operational provisions for the collection of telegram charges
ITU-T Rec. F.4 (11/88) Plain and secret language
ITU-T Rec. F.10 (11/88) Character error rate objective for telegraph communication using 5-unit start-stop
equipment
ITU-T Rec. F.11 (10/91) Continued availability of traditional services
ITU-T Rec. F.12 (03/93) Major degradation or disruption of service
ITU-T Rec. F.14 (08/92) General provisions for one-stop-shopping arrangements
ITU-T Rec. F.15 (08/92) Evaluating the success of new services
ITU-T Rec. F.16 (02/95) Global virtual network service
ITU-T Rec. F.17 (08/92) Operational aspects of service telecommunications
ITU-T Rec. F.18 (03/98) Guidelines on harmonization of international public bureau services
ITU-T Rec. F.20 (11/88) The international gentex service
ITU-T Rec. F.21 (11/88) Composition of answer-back codes for the international gentex service
ITU-T Rec. F.23 (11/88) Grade of service for long-distance international gentex circuits
ITU-T Rec. F.24 (11/88) Average grade of service from country to country in the gentex service
ITU-T Rec. F.30 (03/93) Use of various sequences of combinations for special purposes
ITU-T Rec. F.31 (11/88) Telegram retransmission system
ITU-T Rec. F.32 (10/95) Telegram destination indicators
ITU-T Rec. F.35 (11/88) Provisions applying to the operation of an international public automatic message
switching service for equipments utilizing the international telegraph Alphabet No. 2
ITU-T Rec. F.40 (03/91) International public telemessage service
ITU-T Rec. F.41 (03/91) Interworking between the telemessage service and the international public telegram
service
ITU-T Rec. F.59 (10/96) General characteristics of the international telex service
ITU-T Rec. F.60 (08/92) Operational provisions for the international telex service
ITU-T Rec. F.61 (11/88) Operational provisions relating to the chargeable duration of a telex call
ITU-T Rec. F.63 (03/93) Additional facilities in the international telex service
ITU-T Rec. F.64 (11/88) Determination of the number of international telex circuits required to carry a
given volume of traffic
ITU-T Rec. F.65 (11/88) Time-to-answer by operators at international telex positions
ITU-T Rec. F.68 (11/88) Establishment of the automatic intercontinental telex network
ITU-T Rec. F.69 (06/94) The international telex service - Service and operational provisions of telex
destination codes and telex network identification codes
ITU-T Rec. F.70 (11/88) Evaluating the quality of the international telex service
ITU-T Rec. F.71 (11/88) Interconnection of private teleprinter networks with the telex network
ITU-T Rec. F.72 (10/96) The international telex service - General principles and operational aspects of a
store and forward facility
ITU-T Rec. F.73 (07/90) Operational principles for communication between terminals of the international
telex service and data terminal equipment on packet switched public data networks
ITU-T Rec. F.74 (08/92) Intermediate storage devices accessed from the international telex service using
single stage selection - Answerback format
ITU-T Rec. F.80 (10/91) Basic requirements for interworking relations between the international telex
service and other services
ITU-T Rec. F.82 (10/91) Operational provisions to permit interworking between the international telex
service and the intex service
ITU-T Rec. F.85 (11/88) Intercommunication between the IPM service and the telex service
ITU-T Rec. F.86 (10/91) Interworking between the international telex service and the videotex service
ITU-T Rec. F.87 (03/91) Operational principles for the transfer of messages from terminals on the telex
network to Group 3 facsimile terminals connected to the public switched telephone network
ITU-T Rec. F.89 (08/92) Status enquiry function in the international telex service
ITU-T Rec. F.100 (11/88) Scheduled radiocommunication service
ITU-T Rec. F.104 (10/91) International leased circuit services - customer circuit designations
ITU-T Rec. F.105 (11/88) Operational provisions for phototelegrams
ITU-T Rec. F.106 (11/88) Operational provisions for private phototelegraph calls
ITU-T Rec. F.107 (11/88) Rules for phototelegraph communications set up over circuits normally used for
telephone traffic
ITU-T Rec. F.108 (11/88) Operating rules for international phototelegraph calls to multiple destinations
ITU-T Rec. F.110 (07/96) Operational provision for the maritime mobile service
ITU-T Rec. F.111 (03/91) Principles of service for mobile systems
ITU-T Rec. F.112 (11/88) Quality objectives for 50-baud start-stop telegraph transmission in the maritime
mobile-satellite service
ITU-T Rec. F.113 (08/92) Service provisions for aeronautical passenger communications supported by
mobile-satellite systems
ITU-T Rec. F.115 (02/95) Service objectives and principles for future public land mobile telecommunication
systems
ITU-T Rec. F.120 (11/88) Ship station identification for VHF/UHF and maritime mobile-satellite services
ITU-T Rec. F.122 (11/88) Operational procedures for the maritime satellite data transmission service
ITU-T Rec. F.125 (08/93) Numbering plan for access to the mobile-satellite services of INMARSAT from the
international telex service
ITU-T Rec. F.127 (10/96) Operational procedures for interworking between the international telex service
and the service offered by the INMARSAT-C system
ITU-T Rec. F.130 (11/88) Maritime answer-back codes
ITU-T Rec. F.131 (11/88) Radiotelex service codes
ITU-T Rec. F.140 (03/93) Point-to-multipoint telecommunication service via satellite
ITU-T Rec. F.141 (06/94) International two-way multipoint telecommunication service via satellite
ITU-T Rec. F.150 (10/91) Service and operational provision for the intex service
ITU-T Rec. F.162 (07/96) Service and operational requirements of store-and-forward facsimile service
ITU-T Rec. F.163 (07/96) Operational requirements of the interconnection of facsimile store-and-forward
units
ITU-T Rec. F.170 (03/98) Operational provisions for the international public facsimile service between
public bureaux (Bureaufax)
ITU-T Rec. F.171 (11/88) Operational provisions relating to the use of store-and-forward switching nodes
within the bureaufax service
ITU-T Rec. F.182 bis (10/96) Guidelines for the support of the communication of documents using Group
3 facsimile between user terminals via public networks
ITU-T Rec. F.185 (06/98) Internet facsimile: Guidelines for the support of the communication of facsimile
documents
ITU-T Rec. F.190 (08/92) Operational provisions for the international facsimile service between public
bureaux and subscriber stations and vice versa (bureaufax-telefax and vice versa)
ITU-T Rec. F.300 (03/93) Videotex service
ITU-T Rec. F.301 (10/95) Fast speed PSTN videotex
ITU-T Rec. F.350 (11/88) Application of Series T Recommendations
ITU-T Rec. F.351 (11/88) General principles on the presentation of terminal identification to users of the
telematic services
ITU-T Rec. F.353 (11/88) Provision of telematic and data transmission services on integrated services digital
network (ISDN)
ITU-T Rec. F.400/X.400 (07/96) Message handling system and service overview
ITU-T Rec. X.400/F.400 Amd 1 (09/98)
ITU-T Rec. F.401 (08/92) Naming and addressing for public message handling services
ITU-T Rec. F.410 (08/92) The public message transfer service
ITU-T Rec. F.415 (11/88) Intercommunication with public physical delivery services
ITU-T Rec. F.420 (08/92) The public interpersonal messaging service
ITU-T Covering note to F.421 (11/88) Intercommunication between the IPM service and the telex service
ITU-T Rec. F.421 (11/88) Intercommunication between the IPM service and the telex service
ITU-T Rec. F.423 (08/92) Intercommunication between the interpersonal messaging service and the telefax
service
ITU-T Rec. F.440 (08/92) The voice messaging service
ITU-T Rec. F.471 Cor 1 (09/98)
ITU-T Rec. F.471 (08/97) Operational requirements for the interconnection of voice-mail store-and-forward
units
ITU-T Rec. F.472 (08/97) Service and operational requirements of the voice-mail store-and-forward service
ITU-T Rec. F.500 (08/92) International public directory services
ITU-T Rec. F.510 (12/97) Automated directory assistance - White pages service definition
ITU-T Rec. F.551 (03/93) Service Recommendation for the telematic file transfer within telefax 3, telefax 4,
teletex services and message handling services
ITU-T Rec. F.581 (03/93) Guidelines for programming communication interfaces (PCIs) definition: service
Recommendation
ITU-T Rec. F.600 (09/98) Service and operational principles for public data transmission service
ITU-T Rec. F.700 (07/96) Framework Recommendation for audiovisual/multimedia services
ITU-T Rec. F.700 Amendment 1 (05/99) FRAMEWORK RECOMMENDATION FOR AUDIOVISUAL/MULTIMEDIA
SERVICES
ITU-T Rec. F.702 (07/96) Multimedia conference services
ITU-T Rec. F.720 (08/92) Videotelephony services - General
ITU-T Rec. F.721 (08/92) Videotelephony teleservice for ISDN
ITU-T Rec. F.723 (07/96) Videophone service in the Public Switched Telephone Network (PSTN)
ITU-T Rec. F.731 (07/97) Multimedia Conference Services in the ISDN
ITU-T Rec. F.732 (10/96) Multimedia conference services in the B-ISDN
ITU-T Rec. F.740 (08/93) Audiovisual interactive services
ITU-T Rec. F.761 (11/88) Service oriented requirements for telewriting applications
ITU-T Rec. F.811 (07/96) Broadband connection-oriented bearer service
ITU-T Rec. F.812 (08/92) Broadband connectionless data bearer service
ITU-T Rec. F.813 (02/95) Virtual path service for reserved and permanent communications
ITU-T Rec. F.850 (03/93) Principles of universal personal telecommunication (UPT)
ITU-T Rec. F.851 (02/95) Universal Personal Telecommunication (UPT) - Service description (service set 1)
ITU-T Rec. F.853 (11/98) Supplementary services in the Universal Personal Telecommunication (UPT)
environment
ITU-T Rec. F.901 (03/93) Usability evaluation of telecommunication services
ITU-T Rec. F.902 (02/95) Interactive services design guidelines
ITU-T Rec. F.910 (02/95) Procedures for designing, evaluating and selecting symbols, pictograms and icons.
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G系列
ITU-T Rec. G.Sup29 (03/93) Planning of mixed analogue-digital circuits (chains, connections)
ITU-T Rec. G.Sup31 (03/93) Principles of determining an impedance strategy for the local network
ITU-T Rec. G.Sup32 (03/93) Transmission aspects of digital mobile radio systems
ITU-T Rec. G.Sup37 (10/98) ITU-T Recommendation G.763 digital circuit multiplication equipment (DCME)
tutorial and dimensioning
ITU-T Rec. G.Sup38 (10/98) Variable bit rate calculations for ITU-T Recommendation G.767 Digital Circuit
Multiplication Equipment (DCME)
ITU-T Rec. G.100 (03/93) Definitions used in Recommendations on general characteristics of international
telephone connections and circuits
ITU-T Rec. G.101 (08/96) The transmission plan
ITU-T Rec. G.102 (11/80) Transmission performance objectives and Recommendations
ITU-T Rec. G.103 (12/98) Hypothetical reference connections
ITU-T Rec. G.105 (11/88) Hypothetical reference connection for crosstalk studies
ITU-T Rec. G.107 (12/98) The E-Model, a computational model for use in transmission planning
ITU-T Rec. G.111 (03/93) Loudness ratings (LRs) in an international connection
ITU-T Rec. G.113 (02/96) Transmission impairments
ITU-T Rec. G.113 Appendix I (12/98) Provisional planning values for the equipment impairment factor Ie
ITU-T Rec. G.114 (02/96) One-way transmission time
ITU-T Rec. G.115 (02/96) Mean active speech level for announcements and speech synthesis systems
ITU-T Rec. G.117 (02/96) Transmission aspects of unbalance about earth
ITU-T Rec. G.120 (12/98) Transmission characteristics of national networks
ITU-T Rec. G.121 (03/93) Loudness ratings (LRs) of national systems
ITU-T Rec. G.122 (03/93) Influence of national systems on stability talker echo in international connections
ITU-T Rec. G.126 (03/93) Listener echo in telephone networks
ITU-T Rec. G.131 (08/96) Control of talker echo
ITU-T Rec. G.136 (09/99) Application rules for automatic level control devices
ITU-T Rec. G.142 (12/98) Transmission characteristics of exchanges
ITU-T Rec. G.162 (10/68) Characteristics of compandors for telephony
ITU-T Rec. G.164 (11/88) Echo suppressors
ITU-T Rec. G.165 (03/93) Echo cancellers
ITU-T Rec. G.166 (11/88) Characteristics of syllabic compandors for telephony on high capacity long
distance systems
ITU-T Rec. G.167 (03/93) Acoustic echo controllers
ITU-T Rec. G.168 (04/97) Digital network echo cancellers
ITU-T Rec. G.169 (06/99) Automatic level control devices
ITU-T Rec. G.171 (11/88) Transmission plan aspects of privately operated networks
ITU-T Rec. G.172 (11/88) Transmission plan aspects of international conference calls
ITU-T Rec. G.173 (03/93) Transmission planning aspects of the speech service in digital public land mobile
networks
ITU-T Rec. G.174 (06/94) Transmission performance objectives for terrestrial digital wireless systems using
portable terminals to access the PSTN
ITU-T Rec. G.175 (04/97) Transmission planning for private/public network interconnection of voice traffic
ITU-T Rec. G.176 (04/97) Planning guidelines for the integration of ATM technology into networks
supporting voiceband services
ITU-T Rec. G.180 (03/93) Characteristics of N + M type direct transmission restoration systems for use on
digital and analogue sections, links or equipment
ITU-T Rec. G.181 (03/93) Characteristics of 1 + 1 type restoration systems for use on digital transmission
links
ITU-T Rec. G.191 (11/96) Software tools for speech and audio coding standardization
ITU-T Rec. G.192 (03/96) A common digital parallel interface for speech standardization activities
ITU-T Rec. G.211 (10/84) Make-up of a carrier link
ITU-T Rec. G.212 (10/84) Hypothetical reference circuits for analogue systems
ITU-T Rec. G.213 (10/84) Interconnection of systems in a main repeater station
ITU-T Rec. G.214 (10/68) Line stability of cable systems
ITU-T Rec. G.215 (11/80) Hypothetical reference circuit of 5000 km for analogue systems
ITU-T Rec. G.221 (11/80) Overall recommendations relating to carrier-transmission systems
ITU-T Rec. G.222 (11/88) Noise objectives for design of carrier-transmission systems of 2500 km
ITU-T Rec. G.223 - Assumptions for the calculation of noise on hypothetical reference circuits for telephony
ITU-T Rec. G.224 - Maximum permissible value for the absolute power level (power referred to one
milliwatt) of a signalling pulse
ITU-T Rec. G.225 (10/68) Recommendations relating to the accuracy of carrier frequencies
ITU-T Rec. G.226 (11/88) Noise on a real link
ITU-T Rec. G.227 - Conventional telephone signal
ITU-T Rec. G.228 (11/88) Measurement of circuit noise in cable systems using a uniform-spectrum random
noise loading
ITU-T Rec. G.229 (10/84) Unwanted modulation and phase jitter
ITU-T Rec. G.230 (11/80) Measuring methods for noise produced by modulating equipment and
through-connection filters
ITU-T Rec. G.231 (11/88) Arrangement of carrier equipment
ITU-T Rec. G.232 (10/84) 12-channel terminal equipments
ITU-T Rec. G.233 (10/84) Recommendations concerning translating equipments
ITU-T Rec. G.241 (10/84) Pilots on groups, supergroups, etc.
ITU-T Rec. G.242 (10/84) Through-connection of groups, supergroups, etc.
ITU-T Rec. G.243 (10/84) Protection of pilots and additional measuring frequencies at points where there
is a through-connection
ITU-T Rec. G.322 (10/84) General characteristics recommended for systems on symmetric pair cables
ITU-T Rec. G.325 (10/84) General characteristics recommended for systems providing 12 telephone carrier
circuits on a symmetric cable pair [(12 + 12) systems]
ITU-T Rec. G.332 (11/80) 12 MHz systems on standardized 2.6/9.5 mm coaxial cable pairs
ITU-T Rec. G.333 (10/84) 60 MHz systems on standardized 2.6/9.5 mm coaxial cable pairs
ITU-T Rec. G.334 (11/80) 18 MHz systems on standardized 2.6/9.5 mm coaxial cable pairs
ITU-T Rec. G.341 (10/84) 1.3 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs
ITU-T Rec. G.343 (10/84) 4 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs
ITU-T Rec. G.344 (10/84) 6 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs
ITU-T Rec. G.345 (10/84) 12 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs
ITU-T Rec. G.346 (11/80) 18 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs
ITU-T Rec. G.352 (11/80) Interconnection of coaxial carrier systems of different designs
ITU-T Rec. G.411 (11/88) Use of radio-relay systems for international telephone circuits
ITU-T Rec. G.421 (11/88) Methods of interconnection
ITU-T Rec. G.422 (10/84) Interconnection at audio-frequencies
ITU-T Rec. G.423 (06/64) Interconnection at the baseband frequencies of frequency-division multiplex
radio-relay systems
ITU-T Rec. G.431 (06/64) Hypothetical reference circuits for frequency-division multiplex radio-relay systems
ITU-T Rec. G.441 (11/88) Permissible circuit noise on frequency-division multiplex radio-relay systems
ITU-T Rec. G.442 (06/64) Radio-relay system design objectives for noise at the far end of a hypothetical
reference circuit with reference to telegraphy transmission
ITU-T Rec. G.451 (11/88) Use of radio links in international telephone circuits
ITU-T Rec. G.511 (02/98) Test methodology for Group 3 facsimile processing equipment in the Public
Switched Telephone Network
ITU-T Rec. G.601 (11/80) Terminology for cables
ITU-T Rec. G.602 (10/84) Reliability and availability of analogue cable transmission systems and associated
equipments
ITU-T Rec. G.611 (11/80) Characteristics of symmetric cable pairs for analogue transmission
ITU-T Rec. G.612 (11/80) Characteristics of symmetric cable pairs designed for the transmission of systems
with bit rates of the order of 6 to 34 Mbit/s
ITU-T Rec. G.613 (10/84) Characteristics of symmetric cable pairs usable wholly for the transmission of
digital systems with a bit rate of up to 2 Mbits
ITU-T Rec. G.614 (11/88) Characteristics of symmetric pair star-quad cables designed earlier for analogue
transmission systems and being used now for digital system transmission at bit rates of 6 to 34 Mbit/s
ITU-T Rec. G.621 (11/80) Characteristics of 0.7/2.9 mm coaxial cable pairs
ITU-T Rec. G.622 (11/88) Characteristics of 1.2/4.4 mm coaxial cable pairs
ITU-T Rec. G.623 (11/88) Characteristics of 2.6/9.5 mm coaxial cable pairs
ITU-T Rec. G.631 (10/76) Types of submarine cable to be used for systems with line frequencies of less
than about 45 MHz
ITU-T Rec. G.650 (04/97) Definition and test methods for the relevant parameters of single-mode fibres
ITU-T Rec. G.651 (02/98) Characteristics of a 50/125 μm multimode graded index optical fibre cable
ITU-T Rec. G.652 (04/97) Characteristics of a single-mode optical fibre cable
ITU-T Rec. G.653 (04/97) Characteristics of a dispersion-shifted single-mode optical fibre cable
ITU-T Rec. G.654 (04/97) Characteristics of a cut-off shifted single-mode optical fibre cable
ITU-T Rec. G.655 (10/96) Characteristics of a non-zero dispersion shifted single-mode optical fibre cable
ITU-T Rec. G.661 (10/98) Definition and test methods for the relevant generic parameters of optical
amplifier devices and subsystems
ITU-T Rec. G.662 (10/98) Generic characteristics of optical fibre amplifier devices and subsystems
ITU-T Rec. G.663 (10/96) Application related aspects of optical fibre amplifier devices and sub-systems
ITU-T Rec. G.664 (06/99) Optical safety procedures and requirements for optical transport systems
ITU-T Rec. G.671 (11/96) Transmission characteristics of passive optical components
ITU-T Rec. G.681 (10/96) Functional characteristics of interoffice and long-haul line systems using optical
amplifiers, including optical multiplexing
ITU-T Rec. G.692 (10/98) Optical interfaces for multichannel systems with optical amplifiers
ITU-T Rec. G.701 (03/93) Vocabulary of digital transmission and multiplexing, and pulse code modulation
(PCM) terms
ITU-T Rec. G.702 (11/88) Digital hierarchy bit rates
ITU-T Rec. G.703 (10/98) Physical/electrical characteristics of hierarchical digital interfaces
ITU-T Rec. G.704 (10/98) Synchronous frame structures used at 1544, 6312, 2048, 8448 and 44 736
kbit/s hierarchical levels
ITU-T Rec. G.706 (04/91) Frame alignment and cyclic redundancy check (CRC) procedures relating to basic
frame structures defined in Recommendation G.704
ITU-T Rec. G.707 (03/96) Network node interface for the synchronous digital hierarchy (SDH)
ITU-T Rec. G.708 (06/99) Sub STM-0 network node interface for the synchronous digital hierarchy (SDH)
ITU-T Rec. G.711 (11/88) Pulse code modulation (PCM) of voice frequencies
ITU-T Rec. G.712 (11/96) Transmission performance characteristics of pulse code modulation channels
ITU-T Rec. G.720 (07/95) Characterization of low-rate digital voice coder performance with non-voice
signals
ITU-T Rec. G.722 (11/88) 7 kHz audio-coding within 64 kbit/s
ITU-T Rec. G.722 Annex A (03/93) Testing signal-to-total distortion ratio for 7 kHz audio-codecs at 64
kbit/s Recommendation G.722 connected back-to-back
ITU-T Rec. G.722 Appendix 2 (03/87) Description of the digital test sequences for the verification of the
G.722 64 kbit/s SB-ADPCM 7 kHz codec
ITU-T Rec. G.722.1 (09/99) Coding at 24 and 32 kbit/s for hands-free operation in systems with low frame
loss
ITU-T Rec. G.723.1 (03/96) Dual rate speech coder for multimedia communications transmitting at 5.3 and
6.3 kbit/s
ITU-T Rec. G.724 (11/88) Characteristics of a 48-channel low bit rate encoding primary multiplex operating
at 1544 kbit/s
ITU-T Rec. G.725 (11/88) System aspects for the use of the 7 kHz audio codec within 64 kbit/s
ITU-T Rec. G.726 (12/90) 40, 32, 24, 16 kbit/s adaptive differential pulse code modulation (ADPCM)
ITU-T Rec. G.726 Annex A (11/94) Extensions of Recommendation G.726 for use with uniform-quantized
input and output
ITU-T Rec. G.726 Appendix 2 (03/91) Test Vectors - Description of the digital test sequences for the
verification of the G.726 40, 32, 24 and 16 kbit/s ADPCM algorithm
ITU-T Rec. G.726 Appendix 3 (05/94) Comparison of ADPCM algorithms
ITU-T Rec. G.727 (12/90) 5-, 4-, 3- and 2-bits/sample embedded adaptive differential pulse code
modulation (ADPCM)
ITU-T Rec. G.727 Annex A (11/94) Extensions of Recommendation G.727 for use with uniform-quantized
input and output
ITU-T Rec. G.727 Appendix 1 (03/91) Description of the digital test sequences for the verification of the
G.727 5 , 4 , 3 and 2 bit/sample embedded ADPCM algorithm
ITU-T Rec. G.727 Appendix 2 (05/94) Comparison of ADPCM algorithms
ITU-T Rec. G.728 (09/92) Coding of speech at 16 kbit/s using low-delay code excited linear prediction
ITU-T Rec. G.728 Annex G (11/94) 16 kbit/s fixed point specification
ITU-T Rec. G.728 Annex H (05/99) Variable bit rate LD-CELP operation mainly for DCME at rates less than
16 kbit/s
ITU-T Rec. G.728 Annex I (05/99) Coding of speech at 16 kbit/s using low-delay code excited linear
prediction - Annex I: Fram
ITU-T Rec. G.728 Appendix 1 (07/95) Programs and test sequences for implementation verification of the
algorithm of the G.728 16 kbit/s LD-CELP speech coder
ITU-T Rec. G.728 Appendix 2 (11/95) Speech performance
ITU-T Rec. G.729 (03/96) Coding of speech at 8 kbit/s using conjugate-structure algebraic-code-excited
linear-prediction
ITU-T Rec. G.729 Annex A (11/96) Reduced complexity 8 kbit/s CS-ACELP speech codec
ITU-T Rec. G.729 Annex B (11/96) A silence compression scheme for G.729 optimized for terminals
conforming to Recommendation V.70
ITU-T Rec. G.729 Annex C (09/98) CODING OF SPEECH AT 8 kbit/s USING CONJUGATE-STRUCTURE
ALGEBRAIC-CODE-EXCITED-LINEAR-PREDICTIO
ITU-T Rec. G.729 Annex D (09/98) CODING OF SPEECH AT 8 kbit/s USING CONJUGATE-STRUCTURE
ALGEBRAIC-CODE-EXCITED LINEAR-PREDICTION
ITU-T Rec. G.729 Annex E (09/98) CODING OF SPEECH AT 8 kbit/s USING CONJUGATE-STRUCTURE
ALGEBRAIC-CODE-EXCITED LINEAR-PREDICTIO
ITU-T Rec. G.731 (11/88) Primary PCM multiplex equipment for voice frequencies
ITU-T Rec. G.732 (11/88) Characteristics of primary PCM multiplex equipment operating at 2048 kbit/s
ITU-T Rec. G.733 (11/88) Characteristics of primary PCM multiplex equipment operating at 1544 kbit/s
ITU-T Rec. G.734 (11/88) Characteristics of synchronous digital multiplex equipment operating at 1544
kbit/s
ITU-T Rec. G.735 (11/88) Characteristics of primary PCM multiplex equipment operating at 2048 kbit/s and
offering synchronous digital access at 384 kbit/s and/or 64 kbit/s
ITU-T Rec. G.736 (03/93) Characteristics of a synchronous digital multiplex equipment operating at 2048
kbit/s
ITU-T Rec. G.737 (11/88) Characteristics of an external access equipment operating at 2048 kbit/s offering
synchronous digital access at 384 kbit/s and/or 64 kbit/s
ITU-T Rec. G.738 (11/88) Characteristics of primary PCM multiplex equipment operating at 2048 kbit/s and
offering synchronous digital access at 320 kbit/s and/or 64 kbit/s
ITU-T Rec. G.739 (11/88) Characteristics of an external access equipment operating at 2048 kbit/s offering
synchronous digital access at 320 kbit/s and/or 64 kbit/s
ITU-T Rec. G.741 (11/88) General considerations on second order multiplex equipments
ITU-T Rec. G.742 (11/88) Second order digital multiplex equipment operating at 8448 kbit/s and using
positive justification
ITU-T Rec. G.743 (11/88) Second order digital multiplex equipment operating at 6312 kbit/s and using
positive justification
ITU-T Rec. G.744 (11/88) Second order PCM multiplex equipment operating at 8448 kbit/s
ITU-T Rec. G.745 (11/88) Second order digital multiplex equipment operating at 8448 kbit/s and using
positive/zero/negative justification
ITU-T Rec. G.746 (10/84) Characteristics of second order PCM multiplex equipment operating at 6312
kbit/s
ITU-T Rec. G.747 (11/88) Second order digital multiplex equipment operating at 6312 kbit/s and
multiplexing three tributaries at 2048 kbit/s
ITU-T Rec. G.751 (11/88) Digital multiplex equipments operating at the third order bit rate of 34 368
kbit/s and the fourth order bit rate of 139 264 kbit/s and using positive justification
ITU-T Rec. G.752 (11/80) Characteristics of digital multiplex equipments based on a second order bit rate
of 6312 kbit/s and using positive justification
ITU-T Rec. G.753 (11/88) Third order digital multiplex equipment operating at 34 368 kbit/s and using
positive/zero/negative justification
ITU-T Rec. G.754 (11/88) Fourth order digital multiplex equipment operating at 139 264 kbit/s and using
positive/zero/negative justification
ITU-T Rec. G.755 (11/88) Digital multiplex equipment operating at 139 264 kbit/s and multiplexing three
tributaries at 44 736 kbit/s
ITU-T Rec. G.761 (11/88) General characteristics of a 60-channel transcoder equipment
ITU-T Rec. G.762 (11/88) General characteristics of a 48-channel transcoder equipment
ITU-T Rec. G.763 (10/98) Digital circuit multiplication equipment using G.726 ADPCM and digital speech
interpolation
ITU-T Rec. G.764 (12/90) Voice packetization - Packetized voice protocols
ITU-T Rec. G.764 Appendix 1 (11/95) Packetization guide
ITU-T Rec. G.765 (09/92) Packet circuit multiplication equipment
ITU-T Rec. G.765 Appendix 1 (11/95) A guide to PCME
ITU-T Rec. G.766 (11/96) Facsimile demodulation/remodulation for digital circuit multiplication equipment
ITU-T Rec. G.767 (10/98) Digital circuit multiplication equipment using 16 kbit/s LD-CELP, digital speech
interpolation and facsimile demodulation/remodulation
ITU-T Rec. G.772 (03/93) Protected monitoring points provided on digital transmission systems
ITU-T Rec. G.773 (03/93) Protocol suites for Q-interfaces for management of transmission systems
ITU-T Rec. G.774 Cor 1 (11/96)
ITU-T Rec. G.774 (09/92) Synchronous digital hierarchy (SDH) management information model for the
network element view
ITU-T Rec. G.774.01 Corrigendum 1 (11/96) SYNCHRONOUS DIGITAL HIERARCHY [SDH] PERFORMANCE
MONITORING FOR THE NETWORK ELEMENT VIE
ITU-T Rec. G.774.01 (11/94) Synchronous Digital Hierarchy (SDH) performance monitoring for the network
element view
ITU-T Rec. G.774.02 Corrigendum 1 (11/96) SYNCHRONOUS DIGITAL HIERARCHY [SDH] CONFIGURATION OF
THE PAYLOAD STRUCTURE FOR THE NET
ITU-T Rec. G.774.02 (11/94) Synchronous digital hierarchy (SDH) configuration of the payload structure for
the network element view
ITU-T Rec. G.774.03 Corrigendum 1 (11/96) SYNCHRONOUS DIGITAL HIERARCHY [SDH] MANAGEMENT OF
MULTIPLEX-SECTION PROTECTION ...
ITU-T Rec. G.774.03 (11/94) Synchronous digital hierarchy (SDH) management of multiplex-section
protection for the network element view
ITU-T Rec. G.774.04 Corrigendum 1 (11/96) SYNCHRONOUS DIGITAL HIERARCHY (SDH) MANAGEMENT OF THE
SUBNETWORK CONNECTION ...
ITU-T Rec. G.774.04 (07/95) Synchronous digital hierarchy (SDH) management of the subnetwork
connection protection for the network element view
ITU-T Rec. G.774.05 Corrigendum 1 (11/96) SYNCHRONOUS DIGITAL HIERARCHY [SDH] MANAGEMENT OF
CONNECTION SUPERVISION FUNCTIONALITY
ITU-T Rec. G.774.05 (07/95) Synchronous Digital Hierarchy (SDH) management of connection supervision
functionality (HCS/LCS) for the network element view
ITU-T Rec. G.774.6 (04/97) Synchronous digital hierarchy (SDH) unidirectional performance monitoring for
the network element view
ITU-T Rec. G.774.7 (11/96) Synchronous Digital Hierarchy (SDH) management of lower order path trace and
interface labelling for the network element view
ITU-T Rec. G.774.8 (04/97) Synchronous Digital Hierarchy (SDH) management of radio-relay systems for the
network element view
ITU-T Rec. G.774.9 (02/98) Synchronous Digital Hierarchy (SDH) configuration of linear multiplex section
protection for the network element view
ITU-T Rec. G.775 (10/98) Loss of Signal (LOS), Alarm Indication Signal (AIS) and Remote Defect Indication
(RDI) defect detection and clearance criteria for PDH signals
ITU-T Rec. G.776.1 (10/98) Managed objects for signal processing network elements
ITU-T Rec. G.780 (06/99) Vocabulary of terms for synchronous digital hierarchy (SDH) networks and
equipment
ITU-T Rec. G.781 (06/99) Synchronization layer functions
ITU-T Rec. G.783 (04/97) Characteristics of synchronous digital hierarchy (SDH) equipment functional blocks
ITU-T Rec. G.784 (06/99) Synchronous digital hierarchy (SDH) management
ITU-T Rec. G.785 (11/96) Characteristics of a flexible multiplexer in a synchronous digital hierarchy
environment
ITU-T Rec. G.791 (11/88) General considerations on transmultiplexing equipments
ITU-T Rec. G.792 (11/88) Characteristics common to all transmultiplexing equipments
ITU-T Rec. G.793 (11/88) Characteristics of 60-channel transmultiplexing equipments
ITU-T Rec. G.794 (11/88) Characteristics of 24-channel transmultiplexing equipments
ITU-T Rec. G.795 (11/88) Characteristics of codecs for FDM assemblies
ITU-T Rec. G.796 Cor 1 (10/98)
ITU-T Rec. G.796 (09/92) Characteristics of a 64 kbit/s cross-connect equipment with 2048 kbit/s access
ports
ITU-T Rec. G.797 (03/96) Characteristics of a flexible multiplexer in a plesiochronous digital hierarchy
environment
ITU-T Rec. G.801 (10/84) Digital transmission models
ITU-T Rec. G.802 (11/88) Interworking between networks based on different digital hierarchies and speech
encoding laws
ITU-T Rec. G.803 (06/97) Architecture of transport networks based on the synchronous digital hierarchy
(SDH)
ITU-T Rec. G.804 (02/98) ATM cell mapping into Plesiochronous Digital Hierarchy (PDH)
ITU-T Rec. G.805 (11/95) Generic functional architecture of transport networks
ITU-T Rec. G.810 (08/96) Definitions and terminology for synchronization networks
ITU-T Rec. G.811 (09/97) Timing characteristics of primary reference clocks
ITU-T Rec. G.812 (06/98) Timing requirements of slave clocks suitable for use as node clocks in
synchronization networks
ITU-T Rec. G.813 (08/96) Timing characteristics of SDH equipment slave clocks (SEC)
ITU-T Rec. G.821 (08/96) Error performance of an international digital connection operating at a bit rate
below the primary rate and forming part of an integrated services digital network
ITU-T Rec. G.822 (11/88) Controlled slip rate objectives on an international digital connection
ITU-T Rec. G.823 (03/93) The control of jitter and wander within digital networks which are based on the
2048 kbit/s hierarchy
ITU-T Rec. G.824 (03/93) The control of jitter and wander within digital networks which are based on the
1544 kbit/s hierarchy
ITU-T Rec. G.825 (03/93) The control of jitter and wander within digital networks which are based on the
synchronous digital hierarchy (SDH)
ITU-T Rec. G.826 (02/99) Error performance parameters and objectives for international, constant bit rate
digital paths at or above the primary rate
ITU-T Rec. G.827 (08/96) Availability parameters and objectives for path elements of international constant
bit-rate digital paths at or above the primary rate
ITU-T Rec. G.831 (08/96) Management capabilities of transport networks based on the Synchronous Digital
Hierarchy (SDH)
ITU-T Rec. G.832 (10/98) Transport of SDH elements on PDH networks - Frame and multiplexing
structures
ITU-T Rec. G.841 (10/98) Types and characteristics of SDH network protection architectures
ITU-T Rec. G.842 (04/97) Interworking of SDH network protection architectures
ITU-T Rec. G.851.1 (11/96) Management of the transport network - Application of the RM-ODP framework
ITU-T Rec. G.852.10 (03/99) Enterprise viewpoint for pre-provisioned link connection management
ITU-T Rec. G.852.12 (03/99) Enterprise viewpoint for pre-provisioned link management
ITU-T Rec. G.852.1 (11/96) Management of the transport network - Enterprise viewpoint for simple
subnetwork connection management
ITU-T Rec. G.852.2 (03/99) Enterprise viewpoint description of transport network resource model
ITU-T Rec. G.852.3 (03/99) Enterprise viewpoint for topology management
ITU-T Rec. G.852.6 (03/99) Enterprise viewpoint for trail management
ITU-T Rec. G.852.8 (03/99) Enterprise viewpoint for pre-provisioned adaptation management
ITU-T Rec. G.853.10 (03/99) Information viewpoint for pre-provisioned link connection management
ITU-T Rec. G.853.1 (03/99) Common elements of the information viewpoint for the management of a
transport network
ITU-T Rec. G.853.2 (11/96) Subnetwork connection management information viewpoint
ITU-T Rec. G.853.3 (03/99) Information viewpoint for topology management
ITU-T Rec. G.853.6 (03/99) Information viewpoint for trail management
ITU-T Rec. G.853.8 (03/99) Information viewpoint for pre-provisioned adaptation management
ITU-T Rec. G.854.10 (03/99) Computational viewpoint for pre-provisioned link connection management
ITU-T Rec. G.854.12 (03/99) Computational viewpoint for pre-provisioned link management
ITU-T Rec. G.854.1 (11/96) Management of the transport network - Computational interfaces for basic
transport network model
ITU-T Rec. G.854.3 (03/99) Computational viewpoint for topology management
ITU-T Rec. G.854.6 (03/99) Computational viewpoint for trail management
ITU-T Rec. G.854.8 (03/99) Computational viewpoint for pre-provisioned adaptation management
ITU-T Rec. G.855.1 (03/99) GDMO engineering viewpoint for the generic network level model
ITU-T Rec. G.861 (08/96) Principles and guidelines for the integration of satellite and radio systems in
SDH transport networks
ITU-T Rec. G.872 (02/99) Architecture of optical transport networks
ITU-T Rec. G.901 (11/88) General considerations on digital sections and digital line systems
ITU-T Rec. G.902 (11/95) Framework Recommendation on functional access networks (AN) - Architecture
and functions, access types, management and service node aspects
ITU-T Rec. G.911 (04/97) Parameters and calculation methodologies for reliability and availability of fibre
optic systems
ITU-T Rec. G.921 (11/88) Digital sections based on the 2048 kbit/s hierarchy
ITU-T Rec. G.931 (11/88) Digital line sections at 3152 kbit/s
ITU-T Rec. G.941 (11/88) Digital line systems provided by FDM transmission bearers
ITU-T Rec. G.950 (11/88) General considerations on digital line systems
ITU-T Rec. G.951 (11/88) Digital line systems based on the 1544 kbit/s hierarchy on symmetric pair cables
ITU-T Rec. G.952 (11/88) Digital line systems based on the 2048 kbit/s hierarchy on symmetric pair cables
ITU-T Rec. G.953 (11/88) Digital line systems based on the 1544 kbit/s hierarchy on coaxial pair cables
ITU-T Rec. G.954 (11/88) Digital line systems based on the 2048 kbit/s hierarchy on coaxial pair cables
ITU-T Rec. G.955 (11/96) Digital line systems based on the 1544 kbit/s and the 2048 kbit/s hierarchy on
optical fibre cables
ITU-T Rec. G.957 (06/99) Optical interfaces for equipments and systems relating to the synchronous digital
hierarchy
ITU-T Rec. G.958 (11/94) Digital line systems based on the synchronous digital hierarchy for use on
optical fibre cables
ITU-T Rec. G.960 (03/93) Access digital section for ISDN basic rate access
ITU-T Rec. G.961 (03/93) Digital transmission system on metallic local lines for ISDN basic rate access
ITU-T Rec. G.962 (03/93) Access digital section for ISDN primary rate at 2048 kbit/s
ITU-T Rec. G.962 Amd 1 (06/97) Maintenance channel
ITU-T Rec. G.963 (03/93) Access digital section for ISDN primary rate at 1544 kbit/s
ITU-T Rec. G.964 (07/94) V-Interfaces at the digital local exchange (LE) - V5.1-interface (based on 2048
kbit/s) for the support of access network (AN)
ITU-T Rec. G.965 (03/95) V-Interfaces at the digital local exchange (LE) - V5.2 Interface (based on 2048
kbit/s) for the support of access network (AN)
ITU-T Rec. G.966 (02/99) Access digital section for B-ISDN
ITU-T Rec. G.967 - V-interfaces at the service node (SN)
ITU-T Rec. G.967.2 (02/99) VB5.2 reference point specification
ITU-T Rec. G.971 (11/96) General features of optical fibre submarine cable systems
ITU-T Rec. G.972 (04/97) Definition of terms relevant to optical fibre submarine cable systems
ITU-T Rec. G.973 (11/96) Characteristics of repeaterless optical fibre submarine cable systems
ITU-T Rec. G.974 (03/93) Characteristics of regenerative optical fibre submarine cable systems
ITU-T Rec. G.975 (11/96) Forward error correction for submarine systems
ITU-T Rec. G.976 (04/97) Test methods applicable to optical fibre submarine cable systems
ITU-T Rec. G.981 (01/94) PDH optical line systems for the local network
ITU-T Rec. G.982 (11/96) Optical access networks to support services up to the ISDN primary rate or
equivalent bit rates
ITU-T G.983.1 Corrigendum 1 (06/99) BROADBAND OPTICAL ACCESS SYSTEMS BASED ON PASSIVE OPTICAL
NETWORKS (PON)
ITU-T Rec. G.983.1 (06/99) Corrigendum 1
ITU-T Rec. G.991.1 (10/98) High bit rate Digital Subscriber Line (HDSL) transceivers
ITU-T Rec. G.994.1 (06/99) Handshake procedures for digital subscriber line (DSL) transceivers
ITU-T Rec. G.995.1 (06/99) Overview of digital subscriber line (DSL) Recommendations
ITU-T Rec. G.996.1 (07/99) Test procedures for Digital Subscriber Line (DSL) Transceivers
ITU-T Rec. G.997.1 (06/99) Physical layer management for digital subscriber line (DSL) transceivers
ITU-T Rec. G.723.1 Annex A (11/96) Silence compression scheme
ITU-T Rec. G.723.1 Annex B (11/96) Alternative specification based on floating point arithmetic
ITU-T Rec. G.723.1 Annex C (11/96) Scalable channel coding scheme for wireless applications
------------------------------------------------------------------------------------------------------------------------------------------------------------
H系列
ITU-T Rec. Series H Supplement 1 (05/99) APPLICATION PROFILE - SIGN LANGUAGE AND LIP-READING
REAL-TIME CONVERSATION USING LOW
ITU-T Rec. H.13 (11/88) Impulsive noise measuring instrument for telephone-type circuits
ITU-T Rec. H.16 (10/84) Characteristics of an impulsive-noise measuring instrument for wideband data
transmission
ITU-T Rec. H.32 (11/88) Simultaneous communication by telephony and telegraphy on a telephone-type
circuit
ITU-T Rec. H.43 (11/88) Document facsimile transmissions on leased telephone-type circuits
ITU-T Rec. H.51 (11/88) Power levels for data transmission over telephone lines
ITU-T Rec. H.100 (11/88) Visual telephone systems
ITU-T Rec. H.110 (11/88) Hypothetical reference connections for videoconferencing using primary digital
group transmission
ITU-T Rec. H.120 (03/93) Codecs for videoconferencing using primary digital group transmission
ITU-T Rec. H.130 (11/88) Frame structures for use in the international interconnection of digital codecs for
videoconferencing or visual telephony
ITU-T Rec. H.140 (11/88) A multipoint international videoconference system
ITU-T Rec. H.200 (03/93) Framework for Recommendations for audiovisual services
ITU-T Rec. H.221 (05/99) Frame structure for a 64 to 1920 kbit/s channel in audiovisual teleservices
ITU-T Rec. H.222.0 (11/96) Amendments 1 and 2
ITU-T Rec. H.222.1 (03/96) Multimedia multiplex and synchronization for audiovisual communication in ATM
environments
ITU-T Rec. H.223 (03/96) Multiplexing protocol for low bit rate multimedia communication
ITU-T Rec. H.223 Annex A (02/98) Multiplexing protocol for low bit rate multimedia mobile communication
over low error-prone channels
ITU-T Rec. H.223 Annex B (02/98) Multiplexing protocol for low bit rate multimedia mobile communication
over moderate error-prone channels
ITU-T Rec. H.223 Annex C (02/98) Multiplexing protocol for low bit rate multimedia mobile communication
over moderate error-prone channels
ITU-T Rec. H.223 Annex D (05/99) Optional multiplexing protocol for low bit rate multimedia mobile
communication over highly error-prone channels
ITU-T Rec. H.224 (11/94) A real time control protocol for simplex applications using the H.221
LSD/HSD/MLP channels
ITU-T Rec. H.225.0 (02/98) CALL SIGNALLING PROTOCOLS AND MEDIA STREAM PACKETIZATION FOR
PACKET-BASED MULTIMEDIA COMMUNICATION SY
ITU-T Rec. H.226 (09/98) Channel aggregation protocol for multilink operation on circuit switched networks
ITU-T Rec. H.230 (05/99) Frame-synchronous control and indication signals for audiovisual systems
ITU-T Rec. H.231 (07/97) Multipoint control units for audiovisual systems using digital channels up to
1920 kbit/s
ITU-T Rec. H.233 (07/95) Confidentiality system for audiovisual services
ITU-T Rec. H.234 (11/94) Encryption key management and authentication system for audiovisual services
ITU-T Rec. H.235 (02/98) Security and encryption for H-Series (H.323 and other H.245-based) multimedia
terminals
ITU-T Rec. H.242 (05/99) System for establishing communication between audiovisual terminals using digital
channels up to 2 Mbit/s
ITU-T Rec. H.243 (07/97) Procedures for establishing communication between three or more audiovisual
terminals using digital channels up to 1920 kbit/s
ITU-T Rec. H.244 (07/95) Synchronized aggregation of multiple 64 or 56 kbit/s channels
ITU-T Rec. H.245 (09/98) CONTROL PROTOCOL FOR MULTIMEDIA COMMUNICATION
ITU-T Rec. H.246 (02/98) Interworking of H-Series multimedia terminals with H-Series multimedia terminals
and voice/voiceband terminals on GSTN and ISDN
ITU-T Rec. H.247 (09/98) Multipoint extension for broadband audiovisual communication systems and
terminals
ITU-T Rec. H.261 (03/93) Video codec for audiovisual services at p x 64 kbit/s
ITU-T Rec. H.262 Cor 1 (11/96) Technical Corrigendum 1
ITU-T Rec. H.262 Cor 2 (11/96) Technical Corrigendum 2
ITU-T Rec. H.262 (11/96) Registration of copyright identifier
ITU-T Rec. H.262 Amd 1 (11/96) Registration of Copyright Identifiers
ITU-T Rec. H.262 Amd 2 (11/96) 4:2:2 Profile
ITU-T Rec. H.262 Amd 3 (02/98)
ITU-T Rec. H.262 Amendment 4 (02/98) INFORMATION TECHNOLOGY - GENERIC CODING OF MOVING
PICTURES AND ASSOCIATED AUDIO INFORMATION
ITU-T Rec. H.262 Amd 5 (05/99) Amendment 5
ITU-T Rec. H.263 (02/98) Video coding for low bit rate communication
ITU-T Rec. H.263 Appendix 1 (03/97) Error tracking
ITU-T Rec. H.281 (11/94) A far end camera control protocol for videoconferences using H.224
ITU-T Rec. H.282 (05/99) Remote device control protocol for multimedia applications
ITU-T Rec. H.283 (05/99) Remote device control logical channel transport
ITU-T Rec. H.310 Cor 1 (02/98)
ITU-T Rec. H.310 (09/98) Broadband audiovisual communication systems and terminals
ITU-T Rec. H.320 (05/99) Narrow-band visual telephone systems and terminal equipment
ITU-T Rec. H.321 (02/98) Adaptation of H.320 visual telephone terminals to B-ISDN environments
ITU-T Rec. H.322 (03/96) Visual telephone systems and terminal equipment for local area networks which
provide a guaranteed quality of service
ITU-T Rec. H.323 (09/99) PACKET-BASED MULTIMEDIA COMMUNICATIONS SYSTEMS
ITU-T Rec. H.323 Annex D (09/98) Real-time facsimile over H.323 systems
ITU-T Rec. H.324 (02/98) Terminal for low bit-rate multimedia communication
ITU-T Rec. H.324 Annex F (02/98) Terminal for low bit-rate multimedia communication
ITU-T Rec. H.331 (03/93) Broadcasting type audiovisual multipoint systems and terminal equipment
ITU-T Rec. H.332 (09/98) H.323 extended for loosely-coupled conferences
ITU-T Rec. H.341 (05/99) Multimedia management information base
ITU-T Rec. H.450.1 (02/98) Generic functional protocol for the support of supplementary services in H.323
ITU-T Rec. H.450.2 (02/98) Call transfer supplementary service for H.323
ITU-T Rec. H.450.3 (02/98) Call diversion supplementary service for H.323
ITU-T Rec. H.450.4 (05/99) Call hold supplementary service for H.323
ITU-T Rec. H.450.5 (05/99) Call park and call pickup supplementary services for H.323
ITU-T Rec. H.450.6 (05/99) Call waiting supplementary services for H.323
ITU-T Rec. H.450.7 (05/99) Message waiting indication supplementary service for H.323
ITU-T Rec. H.222.0 Corrigendum 1 (02/98) INFORMATION TECHNOLOGY - GENERIC CODING OF MOVING
PICTURES AND ASSOCIATED AUDIO INFORMA
ITU-T Rec. H.222.0 Amendments 1 and 2 (11/96) INFORMATION TECHNOLOGY - GENERIC CODING OF
MOVING PICTURES AND ASSOCIATED
ITU-T Rec. H.222.0 Amendment 3 (02/98) INFORMATION TECHNOLOGY ƒ GENERIC CODING OF
MOVING PICTURES AND ASSOCIATED AUDIO
ITU-T Rec. H.222.0 Amendment 4 (02/98) INFORMATION TECHNOLOGY - GENERIC CODING OF MOVING
PICTURES AND ASSOCIATED AUDIO INFORMATI
ITU-T Rec. H.222.0 Amendment 5 (05/99) INFORMATION TECHNOLOGY - GENERIC CODING OF MOVING
PICTURES AND ASSOCIATED AUDIO INFORM
ITU-T Rec. H.222.0 Amendement 6 (05/99) INFORMATION TECHNOLOGY - GENERIC CODING OF MOVING
PICTURES AND ASSOCIATED AUDIO INFOR
ITU-T Rec. H.225.0 Annex I (09/98) CALL SIGNALLING PROTOCOLS AND MEDIA STREAM PACKETIZATION FOR
PACKET-BASED MULTIMEDIA COMMUNIC

------------------------------------------------------------------------------------------------------------------------------------------------------------
I系列
ITU-T Rec. I.Sup1 (03/98) Generic service descriptions for ten supplementary services defined in I.250 -
Series Recommendations
ITU-T Rec. I.112 (03/93) Vocabulary of terms for ISDNs
ITU-T Rec. I.113 (06/97) Vocabulary of terms for broadband aspects of ISDN
ITU-T Rec. I.114 (03/93) Vocabulary of terms for universal personal telecommunication
ITU-T Rec. I.120 (03/93) Integrated services digital networks (ISDNs)
ITU-T Rec. I.121 (04/91) Broadband aspects of ISDN
ITU-T Rec. I.122 (03/93) Framework for frame mode bearer services
ITU-T Rec. I.130 (11/88) Method for the characterization of telecommunication services supported by an
ISDN and network capabilities of an ISDN
ITU-T Rec. I.140 (03/93) Attribute technique for the characterization of telecommunication services
supported by an ISDN and network capabilities of an ISDN
ITU-T Rec. I.141 (11/88) ISDN network charging capabilities attributes
ITU-T Rec. I.150 (02/99) B-ISDN asynchronous transfer mode functional characteristics
ITU-T Rec. I.200 (11/88) Guidance to the I.200-Series of Recommendations
ITU-T Rec. I.210 (03/93) Principles of telecommunication services supported by an ISDN and the means to
describe them
ITU-T Rec. I.211 (03/93) B-ISDN service aspects
ITU-T Rec. I.220 (11/88) Common dynamic description of basic telecommunication services
ITU-T Rec. I.221 (03/93) Common specific characteristics of services
ITU-T Rec. I.230 (11/88) Definition of bearer service categories
ITU-T Rec. I.231.1 (11/88) Circuit-mode 64 kbit/s unrestricted, 8 kHz structured bearer service
ITU-T Rec. I.231.2 (11/88) Circuit-mode 64 kbit/s, 8 kHz structured bearer service usable for speech
information transfer
ITU-T Rec. I.231.3 (11/88) Circuit-mode 64 kbit/s, 8 kHz structured bearer service usable for 3.1 kHz
audio information transfer
ITU-T Rec. I.231.4 (11/88) Circuit-mode, alternate speech / 64 kbit/s unrestricted, 8 kHz structured bearer
service
ITU-T Rec. I.231.5 (11/88) Circuit-mode 2 x 64 kbit/s unrestricted, 8 kHz structured bearer service
ITU-T Rec. I.231.6 (07/96) Circuit-mode 384 kbit/s unrestricted, 8 kHz structured bearer service
ITU-T Rec. I.231.7 (07/96) Circuit-mode 1536 kbit/s unrestricted, 8 kHz structured bearer service
ITU-T Rec. I.231.8 (07/96) Circuit-mode 1920 kbit/s unrestricted, 8 kHz structured bearer service
ITU-T Rec. I.231.9 (03/93) Circuit mode 64 kbit/s, 8 kHz structured multi-use bearer service
ITU-T Rec. I.232.1 (11/88) Virtual call and permanent virtual circuit bearer service category
ITU-T Rec. I.232.2 (11/88) Connectionless bearer service category
ITU-T Rec. I.232.3 (03/93) User signalling bearer service category (USBS)
ITU-T Rec. I.233 (10/91) Frame mode bearer services
ITU-T Rec. I.240 (11/88) Definition of teleservices
ITU-T Rec. I.241.1 (11/88) Telephony
ITU-T Rec. I.241.2 (11/88) Teletex
ITU-T Rec. I.241.3 (11/88) Telefax 4
ITU-T Rec. I.241.4 (11/88) Mixed mode
ITU-T Rec. I.241.5 (11/88) Videotex
ITU-T Rec. I.241.6 (11/88) Telex
ITU-T Rec. I.241.7 (03/93) Telephony 7 kHz teleservice
ITU-T Rec. I.241.8 (10/95) Teleaction stage one service description
ITU-T Rec. I.250 (11/88) Definition of supplementary services
ITU-T Rec. I.251.1 (08/92) Direct-dialling-In
ITU-T Rec. I.251.2 (08/92) Multiple Subscriber Number
ITU-T Rec. I.251.3 (08/92) Calling Line Identification Presentation
ITU-T Rec. I.251.4 (08/92) Calling Line Identification Restriction
ITU-T Rec. I.251.5 (02/95) Connected Line Identification Presentation (COLP)
ITU-T Rec. I.251.6 (02/95) Connected Line Identification Restriction (COLR)
ITU-T Rec. I.251.7 (08/92) Malicious call Identification
ITU-T Rec. I.251.8 (08/92) Sub-addressing supplementary service
ITU-T Rec. I.251.9 (07/96) Calling name identification presentation
ITU-T Rec. I.252.1 (11/88) Call offering supplementary services: Call Transfer
ITU-T Rec. I.252.2 (08/92) Call Forwarding Busy
ITU-T Rec. I.252.3 (08/92) Call Forwarding No Reply
ITU-T Rec. I.252.4 (08/92) Call Forwarding Unconditional
ITU-T Rec. I.252.5 (08/92) Call Deflection
ITU-T Rec. I.252.6 (11/88) Line Hunting (LH)
ITU-T Rec. I.252.7 (05/97) Call offering supplementary services: Explicit call transfer
ITU-T Rec. I.253.1 (07/90) Call waiting (CW) supplementary service
ITU-T Rec. I.253.2 (08/92) Call Hold
ITU-T Rec. I.253.3 (07/96) Completion of calls to busy subscribers
ITU-T Rec. I.253.4 (07/96) Completion of calls on no reply
ITU-T Rec. I.254.2 (08/92) Three-Party Supplementary Service
ITU-T Rec. I.254.5 (05/97) Multiparty supplementary services: Meet-me conference
ITU-T Rec. I.255.1 (08/92) Closed User Group
ITU-T Rec. I.255.2 (07/96) Support of Private Numbering Plans
ITU-T Rec. I.255.3 (07/90) Multi-level precedence and preemption service (MLPP)
ITU-T Rec. I.255.4 (07/90) Priority service
ITU-T Rec. I.255.5 (08/92) Outgoing call barring
ITU-T Rec. I.256.3 (08/92) Reverse charging
ITU-T Rec. I.257.1 (10/95) User-to-User Signalling
ITU-T Rec. I.258.1 (10/95) Terminal portability (TP)
ITU-T Rec. I.258.2 (02/95) In-call modification (IM)
ITU-T Rec. I.259.1 (07/96) Screening supplementary services: Address screening (ADS)
ITU-T Rec. I.310 (03/93) ISDN - Network functional principles
ITU-T Rec. I.311 (08/96) B-ISDN general network aspects
ITU-T Rec. I.312 (10/92) Principles of intelligent network architecture
ITU-T Rec. I.313 (09/97) B-ISDN network requirements
ITU-T Rec. I.320 (11/93) ISDN protocol reference model
ITU-T Rec. I.321 (04/91) B-ISDN protocol reference model and its application
ITU-T Rec. I.322 (02/99) Generic protocol reference model for telecommunication networks
ITU-T Rec. I.324 (10/91) ISDN network architecture
ITU-T Rec. I.325 (03/93) Reference configurations for ISDN connection types
ITU-T Rec. I.327 (03/93) B-ISDN functional architecture
ITU-T Rec. I.328/Q.1202 (09/97) INTELLIGENT NETWORK - SERVICE PLANE ARCHITECTURE
ITU-T Rec. I.329/Q.1203 (09/97) INTELLIGENT NETWORK - GLOBAL FUNCTIONAL PLANE ARCHITECTURE
ITU-T Rec. I.330 (11/88) ISDN numbering and addressing principles
ITU-T Rec. I.331/E.164 (05/97) The international public telecommunication numbering plan
ITU-T Rec. I.333 (03/93) Terminal selection in ISDN
ITU-T Rec. I.334 (11/88) Principles relating ISDN numbers/sub-addresses to the OSI reference model
network layer addresses
ITU-T Rec. I.340 (11/88) ISDN connection types
ITU-T Rec. I.350 (03/93) General aspects of quality of service and network performance in digital networks,
including ISDNs
ITU-T Rec. I.351 (06/97) Relationships among ISDN performance Recommendations
ITU-T Rec. I.352 (03/93) Network performance objectives for connection processing delays in an ISDN
ITU-T Rec. I.353 (08/96) Reference events for defining ISDN and B-ISDN performance parameters
ITU-T Rec. I.354 (03/93) Network performance objectives for packet-mode communication in an ISDN
ITU-T Rec. I.355 (03/95) ISDN 64 kbit/s connection type availability performance
ITU-T Rec. I.356 (10/96) B-ISDN ATM layer cell transfer performance
ITU-T Rec. I.357 (08/96) B-ISDN semi-permanent connection availability
ITU-T Rec. I.358 (06/98) Call processing performance for switched Virtual Channel Connections (VCCs) in a
B-ISDN
ITU-T Rec. I.359 (02/99) Accuracy and dependability of ISDN 64 kbit/s circuit mode connection types
ITU-T Rec. I.361 (02/99) B-ISDN ATM layer specification
ITU-T Rec. I.363 (03/93) B-ISDN ATM Adaptation Layer specification
ITU-T Rec. I.363.1 (08/96) B-ISDN ATM Adaptation Layer specification: Type 1 AAL
ITU-T Rec. I.363.2 (09/97) B-ISDN ATM Adaptation layer specification: Type 2 AAL
ITU-T Rec. I.363.3 (08/96) B-ISDN ATM Adaptation Layer specification: Type 3/4 AAL
ITU-T Rec. I.363.5 (08/96) B-ISDN ATM Adaptation Layer specification: Type 5 AAL
ITU-T Rec. I.364 (02/99) Support of the broadband connectionless data bearer service by the B-ISDN
ITU-T Rec. I.365.1 (11/93) Frame relaying service specific convergence sublayer (FR-SSCS)
ITU-T Rec. I.365.2 (11/95) Service specific coordination function to provide the connection oriented
network service
ITU-T Rec. I.365.3 (11/95) Service specific coordination function to provide the connection-oriented
transport service
ITU-T Rec. I.365.4 (08/96) B-ISDN ATM adaptation layer sublayers: Service specific convergence sublayer for
HDLC applications
ITU-T Rec. I.366.1 (06/98) Segmentation and Reassembly Service Specific Convergence Sublayer for the AAL
type 2
ITU-T Rec. I.366.2 (02/99) AAL type 2 service specific convergence sublayer for trunking
ITU-T Rec. I.370 (10/91) Congestion management for the ISDN frame relaying bearer service
ITU-T Rec. I.371 (08/96) Traffic control and congestion control in B-ISDN
ITU-T Rec. I.371.1 (06/97) Traffic control and congestion control in B-ISDN: conformance definitions for
ABT and ABR
ITU-T Rec. I.372 (03/93) Frame relaying bearer service network-to-network interface requirements
ITU-T Rec. I.373 (03/93) Network capabilities to support universal personal telecommunication (UPT)
ITU-T Rec. I.375.1 (06/98) General aspects
ITU-T Rec. I.375.2 (06/98) Network capabilities to support multimedia services: Example of multimedia
retrieval service class - Video-on-demand service using an ATM-based network
ITU-T Rec. I.376 (03/95) ISDN network capabilities for the support of teleaction service
ITU-T Rec. I.380 (02/99) Internet protocol data communication service - IP packet transfer and availability
performance parameters
ITU-T Rec. I.410 (10/84) General aspects and principles relating to Recommendations on ISDN user-network
interfaces
ITU-T Rec. I.411 (03/93) ISDN user-network interfaces - Reference configurations
ITU-T Rec. I.412 (11/88) ISDN user-network interfaces - Interface structures and access capabilities
ITU-T Rec. I.413 (03/93) B-ISDN user-network interface
ITU-T Rec. I.414 (09/97) Overview of Recommendations on Layer 1 for ISDN and B-ISDN customer accesses
ITU-T Rec. I.420 (10/84) Basic user-network interface
ITU-T Rec. I.421 (10/84) Primary rate user-network interface
ITU-T Rec. I.430 (11/95) Basic user-network interface - Layer 1 specification
ITU-T Rec. I.431 (03/93) Primary rate user-network interface - Layer 1 specification
ITU-T Rec. I.431 Amd 1 (06/97)
ITU-T Rec. I.432.1 (02/99) General characteristics
ITU-T Rec. I.432.2 (02/99) 155 520 kbit/s and 622 080 kbit/s operation
ITU-T Rec. I.432.3 (02/99) 1544 kbit/s and 2048 kbits operation
ITU-T Rec. I.432.4 (02/99) B-ISDN user-network interface - Physical layer specification: 51 840 kbit/s
operation
ITU-T Rec. I.432.5 (06/97) B-ISDN user-network interface - Physical layer specification: 25 600 kbit/s
operation
ITU-T Rec. I.440 (03/93) ISDN user-network interface data link layer - General aspects
ITU-T Rec. I.441 (03/93) ISDN user-network interface - Data link layer specification
ITU-T Rec. I.450 (03/93) ISDN user-network interface layer 3 - General aspects
ITU-T Rec. I.451 (03/93) ISDN user-network interface layer 3 specification for basic call control
ITU-T Rec. I.452 (03/93) Generic procedures for the control of ISDN supplementary services
ITU-T Rec. I.460 (02/99) Multiplexing, rate adaption and support of existing interfaces
ITU-T Rec. I.461 (03/93) Support of X.21, X.21 bis and X.20 bis based Data Terminal Equipments (DTEs)
by an Integrated Services Digital Network (ISDN)
ITU-T Rec. I.462 (11/95) Support of packet mode terminal equipment by an ISDN
ITU-T Rec. I.463 (10/96) Support by an ISDN of data terminal equipments with V-Series type interfaces
ITU-T Rec. I.464 (02/99) Multiplexing, rate adaption and support of existing interfaces for restricted
64 kbit/s transfer capability
ITU-T Rec. I.465 (10/96) Support by an ISDN of data terminal equipment with V-Series type interfaces with
provision for statistical multiplexing
ITU-T Rec. I.470 (11/88) Relationship of terminal functions to ISDN
ITU-T Rec. I.500 (03/93) General structure of the ISDN interworking Recommendations
ITU-T Rec. I.501 (03/93) Service interworking
ITU-T Rec. I.510 (03/93) Definitions and general principles for ISDN interworking
ITU-T Rec. I.511 (11/88) ISDN-to-ISDN layer 1 internetwork interface
ITU-T Rec. I.515 (03/93) Parameter exchange for ISDN interworking
ITU-T Rec. I.520 (03/93) General arrangements for network interworking between ISDNs
ITU-T Rec. I.525 (08/96) Interworking between networks operating at bit rates less than 64 kbit/s with 64
kbit/s-based ISDN and B-ISDN
ITU-T Rec. I.530 (03/93) Network interworking between an ISDN and a public switched telephone network
(PSTN)
ITU-T Rec. I.540 (10/96) General arrangements for interworking between Circuit-Switched Public Data
Networks (CSPDNs) and Integrated Service Digital Networks (ISDNs) for the provision of data transmission
services
ITU-T Rec. I.550 (10/96) General arrangements for interworking between Packet Switched Public Data
Networks (PSPDNs) and Integrated Services Digital Networks (ISDNs) for the provision of data transmission
services
ITU-T Rec. I.555 (09/97) Frame Relaying Bearer Service interworking
ITU-T Rec. I.560 (03/93) Technical requirements to be met in providing the international telex service
within an integrated services digital network
ITU-T Rec. I.570 (03/93) Public/private ISDN interworking
ITU-T Rec. I.571 (08/96) Connection of VSAT based private networks to the public ISDN
ITU-T Rec. I.580 (11/95) General arrangements for interworking between B-ISDN and 64 kbit/s based ISDN
ITU-T Rec. I.581 (09/97) General arrangements for B-ISDN interworking
ITU-T Rec. I.601 (11/88) General maintenance principles of ISDN subscriber access and subscriber
installation
ITU-T Rec. I.610 (02/99) B-ISDN operation and maintenance principles and functions
ITU-T Rec. I.620 (10/96) Frame relay operation and maintenance principles and functions
ITU-T Rec. I.630 (02/99) ATM protection switching
ITU-T Rec. I.731 (03/96) Types and general characteristics of ATM equipment
ITU-T Rec. I.732 (03/96) Functional characteristics of ATM equipment
ITU-T Rec. I.741 (06/99) Interworking and interconnection between ATM and switched telephone networks
for the transmission of speech, voiceband data and audio signals
ITU-T Rec. I.751 (03/96) Asynchronous tranfer mode management of the network element view
ITU-T Rec. I.231.10 (08/92) Circuit-mode multiple-rate unrestricted 8 kHz structured bearer service
ITU-T Rec. I.233.1 Annex F (07/96) Frame relay multicast
ITU-T Rec. I.251.10 (07/96) Calling name identification restriction
ITU-T Rec. I.254.1 (11/88) Conference calling (CONF)
ITU-T Rec. I.254.1 Part B -
ITU-T Rec. I.254.1 Part C -
ITU-T Rec. I.254.1 Part D -
ITU-T Rec. I.256.2a (03/93) Advice of charge: charging information at call set-up time (AOC-S)
ITU-T Rec. I.256.2b (03/93) Advice of charge: charging information during the call (AOC-D)
ITU-T Rec. I.256.2c (03/93) Advice of charge: charging information at the end of the call (AOc-E)

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J系列
ITU-T Rec. J.Sup1 (11/98) Example of linking options between annexes of ITU-T Recommendation J.112 and
annexes of ITU-T Recommendation J.83
ITU-T Rec. J.Sup2 (11/98) Guidelines for the implementation of Annex A of Recommendation J.112,
"Transmission systems for interactive cable television services" - Example of digital video broadcasting
(DVB) interaction channel for cable television di...
ITU-T Rec. J.Sup3 (11/98) Guidelines for the implementation of Recommendation J.111 "Network
independent protocols" - Example of Digital Video Broadcasting (DVB) systems for interactive services
ITU-T Rec. J.1 (03/98) Terminology for new services in television and sound-programme transmission
ITU-T Rec. J.1 Amd 1 (11/98)
ITU-T Rec. J.2 (03/98) Guidelines on the use of ITU-T Recommendations in the J series
ITU-T Rec. J.11 (11/88) Hypothetical reference circuits for sound-programme transmissions
ITU-T Rec. J.12 (11/88) Types of sound-programme circuits established over the international telephone
network
ITU-T Rec. J.13 (11/80) Definitions for international sound-programme circuits
ITU-T Rec. J.14 (11/88) Relative levels and impedances on an international sound-programme connection
ITU-T Rec. J.15 (11/88) Lining-up and monitoring an international sound-programme connection
ITU-T Rec. J.16 (11/80) Measurement of weighted noise in sound-programme circuits
ITU-T Rec. J.17 (12/72) Pre-emphasis used on sound-programme circuits
ITU-T Rec. J.18 (11/80) Crosstalk in sound-programme circuits set up on carrier systems
ITU-T Rec. J.19 (11/80) A conventional test signal simulating sound-programme signals for measuring
interference in other channels
ITU-T Rec. J.21 (08/94) Performance characteristics of 15 kHz-type sound-programme circuits - Circuits for
high quality monophonic and stereophonic transmissions
ITU-T Rec. J.23 (11/88) Performance characteristics of 7 kHz type (narrow-bandwidth) sound-programme
circuits
ITU-T Rec. J.24 (02/82) Modulation of signals carried by sound-program circuits by interfering signals from
power supply sources
ITU-T Rec. J.25 (05/86) Estimation of transmission performance of sound-program circuits shorter or longer
than the hypothetical reference circuit
ITU-T Rec. J.26 (06/90) Test signals to be used on international sound-program connections
ITU-T Rec. J.27 (06/90) Signals for the alignment of international sound-program connections
ITU-T Rec. J.41 (11/88) Characteristics of equipment for the coding of analogue high quality sound
programme signals for transmission on 384 kbit/s channels
ITU-T Rec. J.42 (11/88) Characteristics of equipment for the coding of analogue medium quality
sound-programme signals for transmission on 384-kbit/s channels
ITU-T Rec. J.43 (11/88) Characteristics of equipment for the coding of analogue high quality sound
programme signals for transmission on 320 kbit/s channels
ITU-T Rec. J.44 (11/88) Characteristics of equipment for the coding of analogue medium quality
sound-programme signals for transmission on 320 kbit/s channels
ITU-T Rec. J.51 (08/94) General principles and user requirements for the digital transmission of high
quality sound programmes
ITU-T Rec. J.52 (07/96) Digital transmission of high-quality sound-programme signals using one, two or
three 64 kbit/s channels per mono signal (and up to six per stereo signal)
ITU-T Rec. J.53 (06/90) Sampling frequency to be used for the digital transmission of high-quality
sound-programme signals
ITU-T Rec. J.54 (05/86) Transmission of analogue high-quality sound-programme signals on mixed
analogue-and-digital circuits using 384 kbit/s channels
ITU-T Rec. J.55 (06/90) Digital transmission of high-quality sound-programme signals on distribution
circuits using 480 kbit/s (496 kbit/s) per audio channel
ITU-T Rec. J.56 (06/90) Transmission of high-quality sound-programme analogue signals over mixed
analogue/digital circuits at 320 kbit/s
ITU-T Rec. J.57 Notice (12/96)
ITU-T Rec. J.57 (06/90) Transmission of digital studio quality sound signals over H1 channels
ITU-T Rec. J.61 (06/90) Transmission performance of television circuits designed for use in international
connections
ITU-T Rec. J.62 (02/78) Single value of the signal-to-noise ratio for all television systems
ITU-T Rec. J.63 (06/90) Insertion of test signals in the field-blanking interval of monochrome and colour
television signals
ITU-T Rec. J.64 (02/86) Definitions of parameters for simplified automatic measurement of television
insertion test signals
ITU-T Rec. J.65 (02/78) Standard test signal for conventional loading of a television channel
ITU-T Rec. J.66 (02/78) Transmission of one sound programme associated with analogue television signal by
means of time division multiplex in the line synchronizing pulse
ITU-T Rec. J.67 (08/94) Test signals and measurement techniques for transmission circuits carrying
MAC/packet signals or HD-MAC signals
ITU-T Rec. J.68 (02/82) Hypothetical reference chain for television transmissions over very long distances
ITU-T Rec. J.80 (09/93) Transmission of component-coded digital television signals for contribution-quality
applications at bit rates near 140 Mbit/s
ITU-T Rec. J.81 Cor 1 (10/96) Corrigendum 1
ITU-T Rec. J.81 (09/93) Transmission of component-coded digital television signals for contribution-quality
applications at the third hierarchical level of ITU-T Recommendation G.702
ITU-T Rec. J.81 Amd 1 (10/95) Appendix II to Annex A to Recommendation J.81 - Guidelines for
implementation of a complete television codec
ITU-T Rec. J.81 Amd 2 (03/98) Appendix IV to Annex A - Results of 34 Mbit/s codec interworking tests
(February 1996)
ITU-T Rec. J.82 (07/96) Transport of MPEG-2 constant bit rate television signals in B-ISDN
ITU-T CORRIGENDUM TO Recommendation J 83 (04/97) Digital multi-programme systems for television
sound and data services for c
ITU-T Rec. J.83 (04/97) Digital multi-programme systems for television, sound and data services for cable
distribution
ITU-T Rec. J.84 (04/97) Distribution of digital multi-programme signals for television, sound and data
services through SMATV networks
ITU-T Rec. J.85 (06/90) Digital television transmission over long distances - General principles
ITU-T Rec. J.86 (06/90) Mixed analogue-and-digital transmission of analogue composite television signals
over long distances
ITU-T Rec. J.87 (03/98) Use of hybrid cable television links for the secondary distribution of television
into the user's premises
ITU-T Rec. J.90 (04/97) Electronic programme guides for delivery by digital cable television and similar
methods
ITU-T Rec. J.91 (08/94) Technical methods for ensuring privacy in long-distance international television
transmission
ITU-T Rec. J.92 (04/97) Recommended operating guidelines for point-to-point transmission of television
programmes
ITU-T Rec. J.93 (03/98) Requirements for conditional access in the secondary distribution of digital
television on cable television systems
ITU-T Rec. J.94 (11/98) Service information for digital broadcasting in cable television systems
ITU-T Rec. J.100 (06/90) Tolerances for transmission time differences between the vision and sound
components of a television signal
ITU-T Rec. J.101 (06/90) Measurement methods and test procedures for teletext signals
ITU-T Rec. J.110 (04/97) Basic principles for a worldwide common family of systems for the provision of
interactive television services
ITU-T Rec. J.111 (03/98) Network independent protocols for interactive systems
ITU-T Rec. J.112 (03/98) Transmission systems for interactive cable television services
ITU-T Rec. J.113 (03/98) Digital video broadcasting interaction channel through the PSTN/ISDN
ITU-T Rec. J.131 (03/98) Transport of MPEG-2 signals in PDH networks
ITU-T Rec. J.132 (03/98) Transport of MPEG-2 signals in SDH networks
ITU-T Rec. J.140 (03/98) Subjective picture quality assessment for digital cable television systems
ITU-T Rec. J.150 (03/98) Operational functionalities for the delivery of digital multiprogramme television,
sound and data services through multichannel, multipoint distribution systems (MMDS)

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K系列
ITU-T Rec. K.5 (06/64) Joint use of poles for electricity distribution and for telecommunications
ITU-T Rec. K.6 (06/64) Precautions at crossings
ITU-T Rec. K.7 (10/84) Protection against acoustic shock
ITU-T Rec. K.8 (11/88) Separation in the soil between telecommunication cables and earthing system of
power facilities
ITU-T Rec. K.9 (10/68) Protection of telecommunication staff and plant against a large earth potential due
to a neighbouring electric traction line
ITU-T Rec. K.10 (10/96) Low frequency interference due to unbalance about earth of telecommunication
equipment
ITU-T Rec. K.11 (10/93) Principles of protection against overvoltages and overcurrents
ITU-T Rec. K.12 (05/95) Characteristics of gas discharge tubes for the protection of telecommunications
installations
ITU-T Rec. K.13 (12/72) Induced voltages in cables with plastic-insulated conductors
ITU-T Rec. K.14 (10/84) Provision of a metallic screen in plastic-sheathed cables
ITU-T Rec. K.15 (12/72) Protection of remote-feeding systems and line repeaters against lightning and
interference from neighbouring electricity lines
ITU-T Rec. K.16 (12/72) Simplified calculation method for estimating the effect of magnetic induction from
power lines on remote-fed repeaters in coaxial pair telecommunication systems
ITU-T Rec. K.17 (11/88) Tests on power-fed repeaters using solid-state devices in order to check the
arrangements for protection from external interference
ITU-T Rec. K.18 (11/88) Calculation of voltage induced into telecommunication lines from radio station
broadcasts and methods of reducing interference
ITU-T Rec. K.19 (11/80) Joint use of trenches and tunnels for telecommunication and power cables
ITU-T Rec. K.20 (10/96) Resistibility of telecommunication switching equipment to overvoltages and
overcurrents
ITU-T Rec. K.21 (10/96) Resistibility of subscriber's terminal to overvoltages and overcurrents
ITU-T Rec. K.22 (05/95) Overvoltage resistibility of equipment connected to an ISDN T/S bus
ITU-T Rec. K.23 (11/88) Types of induced noise and description of noise voltage parameters for ISDN basic
user networks
ITU-T Rec. K.24 (11/88) Method for measuring radio-frequency induced noise on telecommunications pairs
ITU-T Rec. K.25 (05/96) Protection of optical fibre cables
ITU-T Rec. K.26 (11/88) Protection of telecommunication lines against harmful effects from electric power
and electrified railway lines
ITU-T Rec. K.27 (05/96) Bonding configurations and earthing inside a telecommunication building
ITU-T Rec. K.28 (03/93) Characteristics of semi-conductor arrester assemblies for the protection of
telecommunications installations
ITU-T Rec. K.29 (01/92) Coordinated protection schemes for telecommunications cables below ground
ITU-T Rec. K.30 (03/93) Positive temperature coefficient (PTc) thermistors
ITU-T Rec. K.31 (03/93) Bonding configurations and earthing of telecommunication installations inside a
subscriber's building
ITU-T Rec. K.32 (05/95) Immunity requirements and test methods for electrostatic discharge to
telecommunication equipment - Generic EMC Recommendation
ITU-T Rec. K.33 (10/96) Limits for people safety related to coupling into telecommunications system from
a.c. electric power and a.c. electrified railway installations in fault conditions
ITU-T Rec. K.34 (05/96) Classification of electromagnetic environmental conditions for telecommunication
equipment - Fast transient and radio-frequency phenomena
ITU-T Rec. K.35 (05/96) Bonding configurations and earthing at remote electronic sites
ITU-T Rec. K.36 (05/96) Selection of protective devices
ITU-T Rec. K.37 (02/99) Low and high frequency EMC mitigation techniques for telecommunication
installations and systems - Basic EMC Recommendation
ITU-T Rec. K.38 (10/96) Radiated emission test procedure for physically large systems
ITU-T Rec. K.39 (10/96) Risk assessment of damages to telecommunication sites due to lightning discharges
ITU-T Rec. K.40 (10/96) Protection against LEMP in telecommunications centres
ITU-T Rec. K.41 (05/98) Resistibility of internal interfaces of telecommunication centres to surge
overvoltages
ITU-T Rec. K.42 (05/98) Preparation of emission and immunity requirements for telecommunication
equipment - General principles
ITU-T Rec. K.43 (05/98) Immunity requirements for telecommunication equipment

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L系列
ITU-T Rec. L.1 (11/88) Construction, installation and protection of telecommunication cables in public
networks
ITU-T Rec. L.2 (11/88) Impregnation of wooden poles
ITU-T Rec. L.3 (11/88) Armouring of cables
ITU-T Rec. L.4 (11/88) Aluminium cable sheaths
ITU-T Rec. L.5 (12/72) Cable sheaths made of metals other than lead or aluminium
ITU-T Rec. L.6 (12/72) Methods of keeping cables under gas pressure
ITU-T Rec. L.7 (10/76) Application of joint cathodic protection
ITU-T Rec. L.8 (10/76) Corrosion caused by alternating current
ITU-T Rec. L.9 (11/88) Methods of terminating metallic cable conductors
ITU-T Rec. L.10 (11/88) Optical fibre cables for duct, tunnel, aerial and buried application
ITU-T Rec. L.11 (11/88) Joint use of tunnels by pipelines and telecommunication cables, and the
standardization of underground duct plans
ITU-T Rec. L.12 (07/92) Optical fibre joints
ITU-T Rec. L.13 (07/92) Sheath joints and organizers of optical fibre cables in the outside plant
ITU-T Rec. L.14 (07/92) Measurement method to determine the tensile performance of optical fibre cables
under load
ITU-T Rec. L.15 (03/93) Optical local distribution networks - Factors to be considered for their
construction
ITU-T Rec. L.16 (03/93) Conductive plastic material (CPM) as protective covering for metal cable sheaths
ITU-T Rec. L.17 (06/95) Implementation of connecting customers into the public switched telephone
network (PSTN) via optical fibres
ITU-T Rec. L.17 Appendix 1 (02/97) Examples of possible applications
ITU-T Rec. L.18 (10/96) Sheath closures for terrestrial copper telecommunication cables
ITU-T Rec. L.19 (10/96) Outside plant copper networks for ISDN services
ITU-T Rec. L.20 (10/96) Creation of a fire security code for telecommunication facilities
ITU-T Rec. L.21 (10/96) Fire detection and alarm systems, detector and sounder devices
ITU-T Rec. L.22 (10/96) Fire protection
ITU-T Rec. L.23 (10/96) Fire extinction - Classification and location of fire extinguishing installations and
equipment on premises
ITU-T Rec. L.24 (10/96) Classification of outside plant waste
ITU-T Rec. L.25 (10/96) Optical fibre cable network maintenance
ITU-T Rec. L.26 (10/96) Optical fibre cables for aerial application
ITU-T Rec. L.27 (10/96) Method for estimating the concentration of hydrogen in optical fibre cables
ITU-T Rec. L.28 (10/96) External additional protection for marinized terrestrial cables
ITU-T Rec. L.29 (10/96) As-laid report and maintenance/repair log for marinized terrestrial cable
installation
ITU-T Rec. L.30 (10/96) Markers on marinized terrestrial cables
ITU-T Rec. L.31 (10/96) Optical fibre attenuators
ITU-T Rec. L.32 (10/98) Protection devices for through-cable penetrations of fire-sector partitions
ITU-T Rec. L.33 (10/98) Periodic control of fire extinction devices in telecommunication buildings
ITU-T Rec. L.34 (10/98) Installation of Optical Fibre Ground Wire (OPGW) cable
ITU-T Rec. L.35 (10/98) Installation of optical fibre cables in the access network
ITU-T Rec. L.36 (10/98) Single mode fibre optic connectors
ITU-T Rec. L.37 (10/98) Fibre optic (non-wavelength selective) branching devices
ITU-T Rec. L.38 (09/99) Use of trenchless techniques for the construction of underground infrastructures
for telecommunication cable installation

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M系列
ITU-T Rec. M.10 (10/92) Scope and application of Recommendations for maintenance of telecommunication
networks and services
ITU-T Rec. M.15 (11/88) Maintenance considerations for new systems
ITU-T Rec. M.20 (10/92) Maintenance philosophy for telecommunications networks
ITU-T Rec. M.21 (10/92) Maintenance philosophy for telecommunication services
ITU-T Rec. M.32 (11/88) Principles for using alarm information for maintenance of international
transmission systems and equipment
ITU-T Rec. M.34 (11/88) Performance monitoring on international transmission systems and equipment
ITU-T Rec. M.35 (11/88) Principles concerning line-up and maintenance limits
ITU-T Rec. M.50 (11/88) Use of telecommunication terms for maintenance
ITU-T Rec. M.60 (03/93) Maintenance terminology and definitions
ITU-T Rec. M.70 (11/88) Guiding principles on the general maintenance organization for telephone-type
international circuits
ITU-T Rec. M.75 (10/92) Technical service
ITU-T Rec. M.80 (11/88) Control stations
ITU-T Rec. M.85 (10/92) Fault report points
ITU-T Rec. M.90 (11/88) Sub-control stations
ITU-T Rec. M.100 (11/88) Service circuits
ITU-T Rec. M.110 (11/88) Circuit testing
ITU-T Rec. M.120 (11/88) Access points for maintenance
ITU-T Rec. M.125 (11/88) Digital loopback mechanisms
ITU-T Rec. M.160 (11/88) Stability of transmission
ITU-T Rec. M.320 (11/88) Numbering of the channels in a group
ITU-T Rec. M.330 (11/88) Numbering of groups within a supergroup
ITU-T Rec. M.340 (11/88) Numbering of supergroups within a mastergroup
ITU-T Rec. M.350 (11/88) Numbering of mastergroups within a supermastergroup
ITU-T Rec. M.380 (11/88) Numbering in coaxial systems
ITU-T Rec. M.390 (11/88) Numbering in systems on symmetric pair cable
ITU-T Rec. M.400 (11/88) Numbering in radio-relay links or open-wire line systems
ITU-T Rec. M.410 (11/88) Numbering of digital blocks in transmission systems
ITU-T Rec. M.450 (11/88) Bringing a new international transmission system into service
ITU-T Rec. M.460 (11/88) Bringing international group, supergroup, etc., links into service
ITU-T Rec. M.470 (11/88) Setting up and lining up analogue channels for international telecommunication
services
ITU-T Rec. M.475 (11/88) Setting up and lining up mixed analogue/digital channels for international
telecommunication services
ITU-T Rec. M.495 (11/88) Transmission restoration and transmission route diversity: Terminology and
general principles
ITU-T Rec. M.496 (11/88) Functional organization for automatic transmission restoration
ITU-T Rec. M.500 (11/88) Routine maintenance measurements to be made on regulated line sections
ITU-T Rec. M.510 (11/88) Readjustment to the nominal value of a regulated line section (on a symmetric
pair line, a coaxial line or a radio-relay link)
ITU-T Rec. M.520 (11/88) Routine maintenance on international group, supergroup, etc., links
ITU-T Rec. M.525 (11/88) Automatic maintenance procedures for international group, supergroup, etc., links
ITU-T Rec. M.530 (11/88) Readjustment to the nominal value of an international group, supergroup, etc.,
link
ITU-T Rec. M.535 (11/88) Special maintenance procedures for multiple destination, unidirectional (MU)
group and supergroup links
ITU-T Rec. M.540 (11/88) Routine maintenance of carrier and pilot generating equipment
ITU-T Rec. M.556 (11/88) Setting up and initial testing of digital channels on an international digital path
or block
ITU-T Rec. M.560 (11/88) International telephone circuits - Principles, definitions and relative transmission
levels
ITU-T Rec. M.562 (11/88) Types of circuit and circuit section
ITU-T Rec. M.565 (11/88) Access points for international telephone circuits
ITU-T Rec. M.570 (11/88) Constitution of the circuit; preliminary exchange of information
ITU-T Rec. M.580 (11/88) Setting up and lining up an international circuit for public telephony
ITU-T Rec. M.585 (11/88) Bringing an international digital circuit into service
ITU-T Rec. M.590 (11/88) Setting up and lining up a circuit fitted with a compandor
ITU-T Rec. M.600 (11/88) Organization of routine maintenance measurements on circuits
ITU-T Rec. M.605 (11/88) Routine maintenance schedule for international public telephony circuits
ITU-T Rec. M.610 (11/88) Periodicity of maintenance measurements on circuits
ITU-T Rec. M.620 (11/88) Methods for carrying out routine measurements on circuits
ITU-T Rec. M.630 (11/88) Maintenance of circuits using control chart methods
ITU-T Rec. M.650 (11/88) Routine line measurements to be made on the line repeaters of audio-frequency
sections or circuits
ITU-T Rec. M.660 (11/88) Periodical in-station tests of echo suppressors complying with Recommendations
G.161 and G.164
ITU-T Rec. M.665 (11/88) Testing of echo cancellers
ITU-T Rec. M.670 (11/88) Maintenance of a circuit fitted with a compandor
ITU-T Rec. M.675 (11/88) Lining up and maintaining international demand assignment