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Posstandard Numberpublication dateLanguageDescription
1ITU-T Q.126-19891989-01-01EnglishAnalysis and Transfer of Digital Information - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
2ITU-T Q.125-19891989-01-01EnglishSpeed of Switching in International Exchanges - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
3ITU-T Q.124-19891989-01-01EnglishSplitting Arrangements - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
4ITU-T Q.123-19891989-01-01EnglishSignal Receiver - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 3 pp
5ITU-T Q.122-19891989-01-01EnglishSignal Sender - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
6ITU-T Q.121-19891989-01-01EnglishSignal Code - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 6 pp
7ITU-T Q.412-19891989-01-01EnglishLine Signalling, Analogue Version - Clauses for Exchange Line Signalling Equipment. Clauses for Transmission Line Signalling Equipment - Specifications of Signalling Systems R1 and R2 (Study Group XI) 7 pp
8ITU-T I.232-19891989-01-01EnglishPacket-Mode Bearer Services Categories - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 5 pp
9ITU-T E.231-19891989-01-01EnglishCharging in Automatic Service for Calls Terminating on Special Services for Suspended, Cancelled or Transferred Subscribers - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 1 pp
10ITU-T E.323-19891989-01-01EnglishRules for Phototelegraph Communications Set up over Circuits Normally Used for Telephone Traffic - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 1 pp
11ITU-T P.33-19891989-01-01EnglishSubscriber Telephone Sets Containing Either Loudspeaking Receivers or Microphones Associated with Amplifiers - Telephone Transmission Quality - Study Group XII; 1 pp
12ITU-T T.563-19891989-01-01EnglishTerminal Characteristics for Group 4 Facsimile Apparatus - Terminal Equipment and Protocols for Telematic Services (Study Group VIII) 19 pp
13ITU-T X.244-19891989-01-01EnglishProcedure for the Exchange of Protocol Identification During Virtual Call Establishment on Packet Switched Public Data Networks - Data Communication Networks - Open Systems Interconnection (OSI) Protocol Specifications, Conformance Testing - Study Group VII; 2 pp; Cancelled
14ITU-T Q.331-19891989-01-01EnglishTest Equipment for Checking Equipment and Signals - Specifications of Signalling Systems R1 and R2 (Study Group XI) 3 pp
15ITU-T M.711-19891989-01-01EnglishEscalation Procedure - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 1 pp
16ITU-T I.252-19891989-01-01EnglishCall Offering Supplementary Services - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 37 pp
17ITU-T Q.330-19891989-01-01EnglishAutomatic Transmission and Signallimg Testing - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
18ITU-T M.570-19891989-01-01EnglishConstitution of the Circuit: Preliminary Exchange of Information - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 5 pp
19ITU-T M.565-19891989-01-01EnglishAccess Points for International Telephone Circuits - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 4 pp
20ITU-T M.562-19891989-01-01EnglishTypes of Circuit and Circuit Section - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 5 pp
21ITU-T M.560-19891989-01-01EnglishInternational Telephone Circuits - Principles, Definitions and Relative Transmission Levels - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 4 pp
22ITU-T M.556-19891989-01-01EnglishSetting up and Initial Testing of Digital Channels on an International Digital Path or Block - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 1 pp
23ITU-T M.555-19891989-01-01EnglishBringing International Digital Blocks, Paths and Sections into Service - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 5 pp
24ITU-T M.550-19891989-01-01EnglishPerformance Limits for Bringing into Service and Maintenance of Digital Paths, Sections, and Line Sections - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits - Study Group IV; 15 pp
25ITU-T M.540-19891989-01-01EnglishRoutine Maintenance of Carrier and Pilot Generating Equipment - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits - Study Group IV; 4 pp
26ITU-T M.535-19891989-01-01EnglishSpecial Maintenance Procedures for Multiple Destination, Undirectional (MU) Group and Supergroup Links - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 1 pp
27ITU-T M.530-19891989-01-01EnglishReadjustment to the Nominal Value of an International Group, Supergroup, Etc., Link - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 3 pp
28ITU-T M.525-19891989-01-01EnglishAutomatic Maintenance Procedures for International Group, Supergroup, Etc., Links - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 2 pp
29ITU-T M.520-19891989-01-01EnglishRoutine Maintenance on International Group, Supergroup, Etc., Links - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 1 pp
30ITU-T M.510-19891989-01-01EnglishReadjustment to the Nominal Value of a Regulated Line Section (on a Symmetric Pair Line, a Coaxial Line or a Radio-Relay Link) - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 1 pp
31ITU-T M.500-19891989-01-01EnglishRoutine Maintenance Measurements to Be Made on Regulated Line Sections - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 2 pp
32ITU-T M.496-19891989-01-01EnglishFunctional Organization for Automatic Transmission Restoration - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits - Study Group IV; 4 pp
33ITU-T M.495-19891989-01-01EnglishTransmission Restoration and Transmission Route Diversity: Terminology and General Principles - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 10 pp
34ITU-T M.490-19891989-01-01EnglishExchange of Information for Planned Outages of Transmission Systems - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 4 pp
35ITU-T Q.329-19891989-01-01EnglishManual Testing - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
36ITU-T O.72-19891989-01-01EnglishCharacteristics of an Impulsive Noise Measuring Instrument for Wideband Data Transmissions - Specifications for Measuring Equipment (Study Group IV) 1 pp
37ITU-T O.51-19891989-01-01EnglishVolume Meters - Specifications for Measuring Equipment - Study Group IV; 1 pp; Cancelled; Same as Recmn P.52
38ITU-T O.32-19891989-01-01EnglishAutomatic Measuring Equipment for Stereophonic Pairs of Sound-Programme Circuits - Specifications for Measuring Equipment - Study Group IV; 11 pp; Cancelled
39ITU-T O.31-19891989-01-01EnglishAutomatic Measuring Equipment for Sound-Programme Circuits - Specifications for Measuring Equipment - Study Group IV; 8 pp; Cancelled
40ITU-T O.25-19891989-01-01EnglishSemiautomatic in-Circuit Echo Suppressor Testing System (ESTS) - Specifications for Measuring Equipment - Study Group IV; 7 pp; Cancelled
41ITU-T M.140-19891989-01-01EnglishDesignations of International Circuits, Groups, Group and Line Links, Digital Blocks, Digital Paths, Data Transmission Systems and Related Information - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 53 pp
42ITU-T M.130-19891989-01-01EnglishOperational Procedures in Locating and Clearing Transmission Faults - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 9 pp
43ITU-T M.93-19891989-01-01EnglishExchange of Contact Point Information for the Maintenance of International Services and the International Network - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 9 pp
44ITU-T N.81-19891989-01-01EnglishDefinition for Application to International Videoconference Transmissions - Maintenance of International Sound-Programme and Television Transmission Circuits - Study Group IV; 1 pp
45ITU-T Q.86-19891989-01-01EnglishCharging Supplementary Services - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements (Study Group XI) 22 pp
46ITU-T Q.644-19891989-01-01EnglishLogic Procedures for Interworking of Signalling System No. 5 to R1 - Interworking of Signalling Systems (Study Group XI) 2 pp
47ITU-T M.36-19891989-01-01EnglishPrinciples for the Maintenance of ISDN's - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 15 pp
48ITU-T M.30-19891989-01-01EnglishPrinciples for a Telecommunications Management Network - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 40 pp
49ITU-T I.254-19891989-01-01EnglishMultiparty Supplementary Services - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 30 pp
50ITU-T I.255-19891989-01-01EnglishCommunity of Interest Supplementary Services - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 10 pp
51ITU-T T.21-19891989-01-01EnglishStandardized Test Charts for Document Facsimile Transmissions - Terminal Equipment and Protocols for Telematic Services - Study Group VIII; 6 pp; Cancelled
52ITU-T T.20-19891989-01-01EnglishStandardized Test Chart for Facsimile Transmissions - Terminal Equipment and Protocols for Telematic Services - Study Group VIII; 4 pp; Cancelled
53ITU-T Q.328-19891989-01-01EnglishRoutine Testing of Equipment (Local Maintenance) - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
54ITU-T Q.480-19891989-01-01EnglishSignalling Procedures - Miscellaneous Procedures - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
55ITU-T V.35-19891989-01-01EnglishData Transmission at 48 Kilobits per Second Using 60-108 kHz Group Band Circuits - Data Communication over the Telephone Network - Study Group XVII; 1 pp; Cancelled
56ITU-T T.15-19891989-01-01EnglishPhototelegraph Transmission over Combined Radio and Metallic Circuits - Terminal Equipment and Protocols for Telematic Services - Study Group VIII; 3 pp; Cancelled
57ITU-T T.12-19891989-01-01EnglishRange of Phototelegraph Transmissions on a Telephone-Type Circuit - Terminal Equipment and Protocols for Telematic Services - Study Group VIII; 3 pp; Cancelled
58ITU-T T.11-19891989-01-01EnglishPhototelegraph Transmissions on Telephone-Type Circuit - Terminal Equipment and Protocols for Telematic Services - Study Group VIII; 4 pp; Cancelled
59ITU-T Q.479-19891989-01-01EnglishSignalling Procedures - Echo-Suppressor Control - Signalling Requirements - Specifications of Signalling Systems R1 and R2 (Study Group XI) 4 pp
60ITU-T T.400-19891989-01-01EnglishIntroduction to Document Architecture, Transfer and Manipulation - Terminal Equipment and Protocols for Telematic Services - Study Group VIII; 5 pp; Cancelled
61ITU-T Q.327-19891989-01-01EnglishTesting Arrangements- General Arrangements - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
62ITU-T Q.478-19891989-01-01EnglishSignalling Procedures - Relay and Regeneration of R2 Interregister Signals by an Outgoing R2 Register in a Transit Exchange - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
63ITU-T Q.326-19891989-01-01EnglishSwitching to the Speech Position - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
64ITU-T Q.476-19891989-01-01EnglishSignalling Procedures - Abnormal Release of Outgoing and Incoming R2 Registers - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
65ITU-T Q.475-19891989-01-01EnglishSignalling Procedures - Normal Release of Outgoing and Incoming R2 Registers - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 PP
66ITU-T Q.474-19891989-01-01EnglishSignalling Procedures - Use of Group B Signals - Specifications of Signalling Systems R1 and R2 (Study Group XI) 3 pp
67ITU-T Q.473-19891989-01-01EnglishSignalling Procedures - Use of End-of-Pulsing Signal I-15 in International Working - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
68ITU-T Q.472-19891989-01-01EnglishSignalling Procedures - at the Last Incoming R2 Register Situated in a Transit Exchange - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
69ITU-T Q.471-19891989-01-01EnglishSignalling Procedures - at the Last Incoming R2 Register Situated in the Exchange to Which the Called Subscriber is Connected - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
70ITU-T Q.470-19891989-01-01EnglishSignalling Procedures - at an Incoming R2 Register Situated in a Transit Exchange - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 PP
71ITU-T Q.468-19891989-01-01EnglishSignalling Procedures - Routing and Numbering for International Working. Termination of Interregister Signalling Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
72ITU-T Q.466-19891989-01-01EnglishSignalling Procedures - Supervision and Release of the Call - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
73ITU-T Q.465-19891989-01-01EnglishSignalling Procedures - Particular Cases - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
74ITU-T Q.325-19891989-01-01EnglishRelease of Registers - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
75ITU-T Q.262-19891989-01-01English4.2 Analysis of Digital Information for Routing - Specifications of Signalling System No. 6 (Study Group XI) 1 pp
76ITU-T Q.324-19891989-01-01EnglishAnalysis of Address Information for Routing - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
77ITU-T Q.464-19891989-01-01EnglishSignalling Procedures - Signalling between the Outgoing International R2 Register and the Last Incoming R2 Register - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
78ITU-T Q.463-19891989-01-01EnglishSignalling Procedures - Signalling between the Outgoing International R2 Register and an Incoming R2 Register in a National Exchange in the Destination Country - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
79ITU-T Q.462-19891989-01-01EnglishSignalling Procedures - Signalling between the Outgoing International R2 Register and an Incoming R2 Register in an International Exchange - Specifications of Signalling Systems R1 and R2 (Study Group XI) 3 pp
80ITU-T T.3-19891989-01-01EnglishStandardization of Group 2 Facsimile Apparatus for Document Transmission - Terminal Equipment and Protocols for Telematic Services - Study Group VIII; 7 pp; Cancelled
81ITU-T T.2-19891989-01-01EnglishStandardization of Group 1 Facsimile Apparatus for Document Transmission - Terminal Equipment and Protocols for Telematic Services - Study Group VIII; 3 pp; Cancelled
82ITU-T V.40-19891989-01-01EnglishError Indication with Electromechanical Equipment - Data Communication over the Telephone Network - Study Group XVII; 1 pp; Cancelled
83ITU-T Z.333-19891989-01-01EnglishMethodology for the Specification of the Man-Machine Interface Tools and Methods - Man-Machine Language (MML) (Study Group X) 18 pp
84ITU-T Z.334-19891989-01-01EnglishSubscriber Administration - Man-Machine Language (MML) (Study Group X) 21 pp
85ITU-T Z.335-19891989-01-01EnglishRouting Administration - Man-Machine Language (MML) (Study Group X) 15 pp
86ITU-T Z.336-19891989-01-01EnglishTraffic Measurement Administration - Man-Machine Language (MML) (Study Group X) 37 pp
87ITU-T Z.337-19891989-01-01EnglishNetwork Management Administration - Man-Machine Language (MML) (Study Group X) 23 pp
88ITU-T Z.341-19891989-01-01EnglishGlossary of Terms - Man-Machine Language (MML) (Study Group X) 44 pp
89ITU-T FASCICLE VII.5-19891989-01-01EnglishTerminal Equipment and Protocols for Telematic Services - Recommendations T.65-T.101, T.150-T.390
90ITU-T FASCICLE VIII.1-19891989-01-01EnglishData Communication over the Telephone Network Series V Recommendations - Study Group 17
91ITU-T FASCICLE VIII.3-19891989-01-01EnglishData Communications Networks Transmission, Signalling and Switching, Network Aspects, Maintenance and Administrative Arrangements Recommendations X.40 - X.181 (Study Group VII)
92ITU-T X.27-19891989-01-01EnglishElectrical Characteristics for Balanced Double-Current Interchange Circuits for General Use with Integrated Circuits Equipment in the Field of Data Communications - Data Communications Networks: Services and Facilities, Interchange (Study Group VII) 1 pp
93ITU-T FASCICLE X.4-19891989-01-01EnglishAnnex F.2 to Recommendation Z.100: SDL Formal Definition. Static Semantics (Study Group X)
94ITU-T X.26-19891989-01-01EnglishElectrical Characteristics for Unbalanced Double-Current Interchange Circuits for General Use with Integrated Circuit Equipment in the Field of Data Communications - Data Communication Networks: Services and Facilities, Interfaces (Study Group VII) 1 pp
95ITU-T I.241-19891989-01-01EnglishTeleservices Supported by an ISDN - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 28 pp
96ITU-T Q.460-19891989-01-01EnglishSignalling Procedures - Normal Call Set-up Procedures for International Working - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
97ITU-T Q.458-19891989-01-01EnglishInterregister Signalling - Reliability of Interregister Signalling - Specifications of Signalling Systems R1 and R2 (Study Group XI) 5 pp
98ITU-T Q.457-19891989-01-01EnglishInterregister Signalling - Range of Interregister Signalling - Specifications of Signalling Systems R1 and R2 (Study Group XI) 4 pp
99ITU-T K.4-19891989-01-01EnglishDisturbance to Signalling - Protection Against Interference - Study Group V; 2 pp; Cancelled
100ITU-T K.3-19891989-01-01EnglishInterference Caused by Audio-Frequency Signals Injected into a Power Distribution Network - Protection Against Interference - Study Group V; 1 pp; Cancelled
101ITU-T K.2-19891989-01-01EnglishProtection of Repeater Power-Feeding Systems Against Interference from Neighbouring Electricity Lines - Protection Against Interference - Study Group V; 1 pp; Cancelled
102ITU-T K.1-19891989-01-01EnglishConnection to Earth of an Audio-Frequency Telephone Line in Cable - Protection Against Interference - Study Group V; 1 pp; Cancelled
103ITU-T Q.49-19891989-01-01EnglishSpecification for the CCITT Automatic Transmission Measuring and Signalling Testing Equipment ATME No. 2 - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 1 pp; Cancelled
104ITU-T Q.455-19891989-01-01EnglishInterregister Signalling - the Receiving Part of the Multifrequency Equipment. Range, Speed and Reliability of Interregister Signalling - Specifications of Signalling Systems R1 and R2 (Study Group XI) 4 pp
105ITU-T Q.454-19891989-01-01EnglishInterregister Signalling - the Sending Part of the Multifrequency Signalling Equipment - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
106ITU-T I.256-19891989-01-01EnglishCharging Supplementary Services - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 16 pp
107ITU-T HDBK OFS-19891989-01-01EnglishOptical Fibres Systems Planning Guide - Study Group XV; Study Group XVIII; 242 pp
108ITU-T J.65-19891989-01-01EnglishStandard Test Signal for Conventional Loading of a Television Channel - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
109ITU-T I.257-19891989-01-01EnglishAdditional Information Transfer - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 9 pp
110ITU-T J.62-19891989-01-01EnglishSingle Value of the Signal-to-Noise Ratio for All Television Systems - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
111ITU-T Q.791-19891989-01-01EnglishMonitoring and Measurements for Signalling System No. 7 Networks - Specifications of Signalling System No.7 - Study Group XI; 20 pp; Cancelled
112ITU-T Q.795-19891989-01-01EnglishOperations, Maintenance and Administration Part (OMAP) - Specifications of Signalling System No. 7 - Study Group XI; 47 pp; Cancelled
113ITU-T Q.43-19891989-01-01EnglishTransmission Losses, Relative Levels - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 6 pp; Cancelled
114ITU-T Q.42-19891989-01-01EnglishStability and Echo (Echo Suppressors) - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 1 pp; Cancelled
115ITU-T Q.41-19891989-01-01EnglishMean One-Way Propagation Time - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 4 pp; Cancelled
116ITU-T Q.40-19891989-01-01EnglishTransmission Plan - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 5 pp; Cancelled
117ITU-T J.44-19891989-01-01EnglishCharacteristics of Equipment for the Coding of Analogue Medium Quality Sound-Programme Signals for Transmission on 320 kbit/s Channels - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 2 pp
118ITU-T Q.36-19891989-01-01EnglishCustomer Recognition of Foreign Tones - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 2 pp; Cancelled
119ITU-T J.43-19891989-01-01EnglishCharacteristics of Equipment for the Coding of Analogue High Quality Sound Programme Signals for Transmission on 320 Kbit/s Channels - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme Television Signals (Study Group XV) 10 pp
120ITU-T Q.452-19891989-01-01EnglishInterregister Signalling - Requirements Relating to Transmission Conditions - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
121ITU-T Q.451-19891989-01-01EnglishInterregister Signalling - Definitions - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
122ITU-T Q.450-19891989-01-01EnglishInterregister Signalling - General - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
123ITU-T Q.442-19891989-01-01EnglishInterregister Signalling - Pulse Transmission of Backward Signals A-3, A-4, A-6 or A-15. Multifrequency Signalling Equipment - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
124ITU-T J.32-19891989-01-01EnglishCharacteristics of Equipment and Lines Used for Setting up 10 kHz Type Sound-Programme Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals - Study Group XV; 1 pp; Cancelled
125ITU-T HDBK VOL I DCO-19891989-01-01EnglishDesign, Construction and Operational Principles of Telecommunication, Power and Electrified Railway Facilities - Volume I
126ITU-T I.332-19891989-01-01EnglishNumbering Principles for Interworking Between ISDNs and Dedicated Networks with Different Numbering Plans - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 4 pp
127ITU-T J.22-19891989-01-01EnglishPerformance Characteristics of 10 kHz Type Sound-Programme Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals - Study Group XV; 1 pp; Cancelled
128ITU-T Q.323-19891989-01-01EnglishMultifrequency Signal Receiving Equipment - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
129ITU-T Q.322-19891989-01-01EnglishMultifrequency Signal Sender - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
130ITU-T Q.321-19891989-01-01EnglishEnd-of-Pulsing Conditions - Register Arrangements Concerning ST Signal - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
131ITU-T Q.441-19891989-01-01EnglishInterregister Signalling - Signalling Code - Specifications of Signalling Systems R1 and R2 (Study Group XI) 10 pp
132ITU-T Q.440-19891989-01-01EnglishInterregister Signalling - General - Specifications of Signalling Systems R1 and R2 (Study Group XI) 4 pp
133ITU-T Q.320-19891989-01-01EnglishRegister Signalling- Signal Code for Register Signalling - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
134ITU-T J.13-19891989-01-01EnglishDefinitions for International Sound-Programme Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 3 pp
135ITU-T I.251-19891989-01-01EnglishNumber Identification Supplementary Services - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 28 pp
136ITU-T I.231-19891989-01-01EnglishCircuit-Mode Bearer Service Categories - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 25 pp
137ITU-T Q.542-19891989-01-01EnglishDigital Exchange Design Objectives - Operations and Maintenance - Digital Local, Transit, Combined and International Exchanges in Integrated Digital Networks and Mixed Analogue-Digital Networks - Supplements (Study Group XI) 21 pp
138ITU-T Q.16-19891989-01-01EnglishMaximum Permissible Value for the Absolute Power Level of a Signalling Pulse - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 1 pp; Cancelled; Same as Recmn G.224
139ITU-T Q.15-19891989-01-01EnglishNominal Mean Power During the Busy Hour - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 2 pp; Cancelled
140ITU-T Q.424-19891989-01-01EnglishLine Signalling, Digital Version - Protection Against the Effects of Faulty Transmission - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
141ITU-T Q.13-19891989-01-01EnglishInternational Telephone Routing Plan - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 10 pp; Cancelled
142ITU-T Q.416-19891989-01-01EnglishLine Signalling, Analogue Version - Interruption Control - Specifications of Signalling Systems R1 and R2 (Study Group XI) 5 pp
143ITU-T Q.11 TER-19891989-01-01EnglishTimetable for Coordinated Implementation of the Full Capability of the Numbering Plan for the ISDN Era (Recommendation E.164) - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 2 pp; Cancelled
144ITU-T Q.11 BIS-19891989-01-01EnglishNumbering Plan for the ISDN Era - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 6 pp; Cancelled
145ITU-T Q.10-19891989-01-01EnglishDefinitions Relating to National and International Numbering Plans - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements - Study Group XI; 3 pp; Cancelled
146ITU-T Q.415-19891989-01-01EnglishLine Signalling, Analogue Version - Signal Receiver - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
147ITU-T I.560-19891989-01-01EnglishRequirements to Be Met in Providing the Telex Service within the ISDN - Integrated Services Digital Network (ISDN) - Internetwork Interfaces and Maintenance Principles (Study Group XVIII) 1 pp
148ITU-T I.550-19891989-01-01EnglishGeneral Arrangements for Interworking between Packet Switched Public Data Networks (PSPDNs) and Integrated Services Digital Networks (ISDNs) for the Provision of Data Transmission - Integrated Services Digital Network (ISDN) - Internetwork Interfaces and Maintenance Principles (Study Group XVIII) 1 pp - Same as x.325
149ITU-T Q.414-19891989-01-01EnglishLine Signalling, Analogue Version - Signal Sender - Specifications of Signalling Systems R1 and R2 (Study Group XI) 3 PP
150ITU-T I.540-19891989-01-01EnglishGeneral Arrangements for Interworking between Circuit Switched Public Data Networks (CSPDNs) and Integrated Services Digital Networks (ISDNs) for the Provision of Data Transmission - Integrated Services Digital Network (ISDN) - Internetwork Interfaces and Maintenance Principles (Study Group XVIII) 1 pp - Same as X.321
151ITU-T I.530-19891989-01-01EnglishNetwork Interworking between an ISDN and a Public Switched Telephone Network (PSTN) - Integrated Services Digital Network (ISDN) - Internetwork Interfaces and Maintenance Principles (Study Group XVIII) 8 pp
152ITU-T V.20-19891989-01-01EnglishParallel Data Transmission Modems Standardized for Universal Use in the General Switched Telephone Network - Data Communication over the Telephone Network - Study Group XVII; 6 pp; Cancelled
153ITU-T X.370-19891989-01-01EnglishArrangements for the Transfer of Internetwork Management Information - Data Communication Networks - Interworking between Networks, Mobile Data Transmission Systems, Internetwork Management - Study Group VII; 4 pp; Cancelled
154ITU-T H.41-19891989-01-01EnglishPhototelegraph Transmissions on Telephone-Type Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
155ITU-T H.42-19891989-01-01EnglishRange of Phototelegraph Transmissions on a Telephone-Type Circuit - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
156ITU-T I.465-19891989-01-01EnglishSupport by an ISDN of Data Terminal Equipment with V-Series Type Interfaces with Provision for Statistical Multiplexing - Integrated Services Digital Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 1 pp - Same as RECMN V.120
157ITU-T I.462-19891989-01-01EnglishSupport of Packet Mode Terminal Equipment by an ISDN - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 1 pp
158ITU-T I.461-19891989-01-01EnglishSupport of X.21, X.21 bis and X.20 bis Based Data Terminal Equipments (DTEs) by an Integrated Services Digital Network (ISDN) - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 1 pp
159ITU-T I.452-19891989-01-01EnglishGeneric Procedure for the Control of ISDN Supplementary Services - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 1 pp - Same as Q.932
160ITU-T I.451-19891989-01-01EnglishISDN User-Network Interface Layer 3 Specification for Basic Call Control - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 1 pp - Same as Q.931
161ITU-T I.450-19891989-01-01EnglishISDN User-Network Interface Layer 3 - General Aspects - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 1 pp - Same as Q.930
162ITU-T I.441-19891989-01-01EnglishISDN User-Network Interface, Data Link Layer Specification - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 1 pp - Same as Q.921
163ITU-T I.440-19891989-01-01EnglishISDN User-Network Interface Data Link Layer - General Aspects - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 1 pp - Same as Q.920
164ITU-T Q.164-19891989-01-01EnglishTest Equipment for Checking Equipment and Signals - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp
165ITU-T Q.163-19891989-01-01EnglishManual Testing - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 3 pp
166ITU-T Q.129-19891989-01-01EnglishMaximum Duration of a Blocking Signal - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
167ITU-T Q.162-19891989-01-01EnglishRouting Testing of Equipment (Local Maintenance) - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp
168ITU-T Q.161-19891989-01-01EnglishGeneral Arrangements for Manual Testing - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
169ITU-T Q.157-19891989-01-01EnglishSwitching to the Speech Position - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
170ITU-T Q.156-19891989-01-01EnglishRelease of International Registers - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp
171ITU-T X.403-19891989-01-01EnglishMessage Handling Systems: Conformance Testing - Data Communication Networks - Message Handling Systems - Study Group VII; 53 pp; Cancelled
172ITU-T I.111-19891989-01-01EnglishRelationship with Other Recommendations Relevant to ISDNs - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities - Study Group XVIII; 2 pp; Cancelled
173ITU-T Q.155-19891989-01-01EnglishAnalysis of Digital Information for Routing - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
174ITU-T Q.154-19891989-01-01EnglishMultifrequency Signal Receiver - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp
175ITU-T Q.153-19891989-01-01EnglishMultifrequency Signal Sender - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
176ITU-T X.407-19891989-01-01EnglishMessage Handling Systems: Abstract Service Definition Conventions - Data Communication Networks - Message Handling Systems - Study Group VII; 28 pp; Cancelled
177ITU-T V.6-19891989-01-01EnglishStandardization of Data Signalling Rates for Synchronous Data Transmission on Leased Telephone-Type Circuits - Data Communication over the Telephone Network - Study Group XVII; 2 pp; Cancelled
178ITU-T V.5-19891989-01-01EnglishStandardization of Data Signalling Rates for Synchronous Data Transmission in the General Switched Telephone Network - Data Communication over the Telephone Network - Study Group XVII; 1 pp; Cancelled
179ITU-T HDBK VOL IX TMM-19891989-01-01EnglishTesting Methods and Measuring Apparatus - Volume IX
180ITU-T HDBK VOL VIII PD-19891989-01-01EnglishProtective Devices - Volume VIII
181ITU-T Q.152-19891989-01-01EnglishEnd-of-Pulsing Conditions - Register Arrangements Concerning ST (End-of-Pulsing) Signal - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp
182ITU-T M.1120-19891989-01-01EnglishFunctions, Maintenance Responsibilities and Maintenance Facilities of a Coast Earth Station for Telephony Services - Maintenance of International Telegraph, Phototelegraph and Leased Circuits - Maintenance of the International Public Telephone Network - Maintenance of Maritime Satellite and Data Transmission Systems (Study Group IV) 3 pp
183ITU-T M.1110-19891989-01-01EnglishMaintenance Organization for the Maritime Satellite Service - Maintenance of International Telegraph, Phototelegraph and Leased Circuits - Maintenance of the International Public Telephone Network - Maintenance of Maritime Satellite and Data Transmission Systems (Study Group IV) 3 pp
184ITU-T M.1100-19891989-01-01EnglishGeneral Maintenance Aspects of Maritime Satellite Systems - Maintenance of International Telegraph, Phototelegraph and Leased Circuits - Maintenance of the International Public Telephone Network - Maintenance of Maritime Satellite and Data Transmission Systems (Study Group IV) 7 pp
185ITU-T Q.151-19891989-01-01EnglishSignal Code for Register Signalling - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp
186ITU-T Q.146-19891989-01-01EnglishSpeed of Switching in International Exchanges - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
187ITU-T Q.145-19891989-01-01EnglishSplitting Arrangements - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
188ITU-T Q.143-19891989-01-01EnglishLine Signal Sender - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
189ITU-T HDBK VOL VII PMS-19891989-01-01EnglishProtective Measures and Safety Precautions - Volume VII
190ITU-T HDBK VOL VI DD-19891989-01-01EnglishDanger and Disturbance - Volume VI
191ITU-T HDBK VOL IV ICV-19891989-01-01EnglishInducing-Currents and Voltages in Electrified Railway Systems - Volume IV
192ITU-T HDBK VOL III CIC-19891989-01-01EnglishCapacitive, Inductive and Conductive Coupling: Physical Theory and Calculation Methods - Volume III
193ITU-T Q.142-19891989-01-01EnglishDouble Seizing with Both-Way Operation - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp
194ITU-T X.40-19891989-01-01EnglishStandardization of Frequency-Shift Modulated Transmission Systems for the Provision of Telegraph and Data Channels by Frequency Division of a Group - Data Communication Networks - Transmission, Signalling and Switching, Network Aspects, Maintenance and Administrative Arrangements - Study Group VII; 3 pp; Cancelled
195ITU-T I.253-19891989-01-01EnglishCall Completion Supplementary Services - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 17 pp
196ITU-T Q.138-19891989-01-01EnglishInstruments for Checking Equipment and Measuring Signals - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
197ITU-T Q.137-19891989-01-01EnglishAutomatic Testing Equipment - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp
198ITU-T Q.136-19891989-01-01EnglishLoop Transmission Measurements - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
199ITU-T Q.135-19891989-01-01EnglishPrinciples of Rapid Transmission Testing Equipment - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
200ITU-T Q.134-19891989-01-01EnglishRoutine Testing of Equipment (Local Maintenance) - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 2 pp
201ITU-T Q.133-19891989-01-01EnglishNumbering for Access to Automatic Measuring and Testing Devices - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
202ITU-T Q.131-19891989-01-01EnglishAbnormal Release Conditions of the Outgoing Register Causing Release of the International Circuit - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
203ITU-T I.335-19891989-01-01EnglishISDN Routing Principles - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces - Study Group XVIII; 18 pp
204ITU-T Z.317-19891989-01-01EnglishMan-Machine Dialogue Procedures - Man-Machine Language (MML) (Study Group X) 20 pp
205ITU-T Q.130-19891989-01-01EnglishSpecial Arrangements in Case of Failures in the Sequence of Signals - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
206ITU-T G.312-19891989-01-01EnglishIntermediate Repeaters for Open-Wire Carrier Systems Conforming to Recommendation G.311 - International Analogue Carrier Systems - Study Group XV; 2 pp; Cancelled
207ITU-T G.361-19891989-01-01EnglishSystems Providing Three Carrier Telephone Circuits on a Pair of Open-Wire Lines - International Analogue Carrier Systems - Study Group XV; 4 pp; Cancelled
208ITU-T D.2-19891989-01-01EnglishSpecial Conditions for the Lease of Continental Telecommunication Circuits for Private Service - General Tariff Principles - Charging and Accounting in International Telecommunications Services (Study Group III) 2 pp
209ITU-T G.771-19891989-01-01EnglishQ-Interfaces and Associated Protocols for Transmission Equipment in the Telecommunications Management Network (TMN) - General Aspects of Digital Transmission Systems; Terminal Equipments - Study Group XV and XVIII; 27 pp; Cancelled
210ITU-T H.32-19891989-01-01EnglishSimultaneous Communication by Telephony and Telegraphy on a Telephone-Type Circuit - Line Transmission of Non-Telephone Signals Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
211ITU-T F.13-19891989-01-01EnglishOperational Provisions for Participation in the Transferred Account Telegraph and Telematic Service - Telegraph and Mobile Services Operations and Quality of Service - Study Group I; 6 pp; Cancelled; Renumbered from Recmn F.41
212ITU-T E.277-19891989-01-01EnglishConventional Transmission of Information Necessary for the Collection of Charges and the Accounting Regarding Collect and Credit Card Calls - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service - Study Group II; 1 pp; Same as Recmn D.174
213ITU-T G.356-19891989-01-01English(120 + 120) Channel Systems on a Single Coaxial Pair - International Analogue Carrier Systems - Study Group XV; 1 pp
214ITU-T D.390R-19891989-01-01EnglishAccounting System in the International Automatic Telephone Service - General Tariff Principles - Charging and Accounting in International Telecommunications Services - Study Group III; 2 pp; Cancelled
215ITU-T H.222-19891989-01-01EnglishFrame Structure for 384-1920 kbit/s Channels in Audiovisual Teleservices - Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 2 pp
216ITU-T G.713-19891989-01-01EnglishPerformance Characteristics of PCM Channels between 2-Wire Interfaces at Voice Frequencies - General Aspects of Digital Transmission Systems; Terminal Equipments - Study Group XV and XVIII; 12 pp; Replaced by Recmn G.712
217ITU-T G.339-19891989-01-01English12 MHz Valve-Type Systems on Standardized 2.6/9.5 mm Coaxial Cable Pairs - International Analogue Carrier Systems - Study Group XV; 1 pp
218ITU-T G.338-19891989-01-01English4 MHz Valve-Type Systems on Standardized 2.6/9.5 mm Coaxial Cable Pairs - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
219ITU-T G.337-19891989-01-01EnglishGeneral Characteristics of Systems on 2.6/9.5 mm Coaxial Cable Pairs - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
220ITU-T G.327-19891989-01-01EnglishValve-Type Systems Offering 12 Carrier Telephone Circuits on a Symmetric Cable Pair ((12 + 12) Systems) - International Analogue Carrier Systems - Study Group XV; 2 pp; Cancelled
221ITU-T G.326-19891989-01-01EnglishTypical Systems on Symmetric Cable Pairs ((12 + 12) Systems) - International Analogue Carrier Systems - Study Group XV; 3 pp; Cancelled
222ITU-T G.714-19891989-01-01EnglishSeparate Performance Characteristics for the Encoding and Decoding Sides of PCM Channels Applicable to 4-Wire Voice-Frequency Interfaces - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 13 pp
223ITU-T G.324-19891989-01-01EnglishGeneral Characteristics for Valve-Type Systems on Symmetric Cable Pairs - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
224ITU-T D.6-19891989-01-01EnglishGeneral Principles for the Provision of International Telecommunications Facilities to Organizations Formed to Meet the Specialized International Communication Needs of Their Members - General Tariff Principles - Charging and Accounting in International Telecommunications Services - Study Group III; 3 pp
225ITU-T G.715-19891989-01-01EnglishSeparate Performance Characteristics for the Encoding and Decoding Side of PCM Channels Applicable to 2-Wire Interfaces - General Aspects of Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 15 pp
226ITU-T FASCICLE III.4-19891989-01-01EnglishGeneral Aspects of Digital Transmission Systems Terminal Equipments - Recommendations G.700-G.795
227ITU-T FASCICLE III.5-19891989-01-01EnglishDigital Networks, Digital Sections and Digital Line Systems - Recommendations G.801 - G.961
228ITU-T FASCICLE III.6-19891989-01-01EnglishLine Transmission of Non-Telephone Signals Transmission of Sound-Programme and Television Signals - Series H and J Recommendations
229ITU-T G.323-19891989-01-01EnglishTypical Transistorized System on Symmetric Cable Pairs - International Analogue Carrier Systems - Study Group XV; 3 pp; Cancelled
230ITU-T G.721-19891989-01-01English32 kbit/s Adaptive Differential Pulse Code Modulation (ADPCM) - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 38 pp
231ITU-T H.11-19891989-01-01EnglishCharacteristics of Circuits in the Switched Telephone Network - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
232ITU-T G.314-19891989-01-01EnglishGeneral Characteristics of Systems Providing Eight Carrier Telephone Circuits on an Open-Wire Pair - International Analogue Carrier Systems (Study Group XV) 1 pp - Study Group XV; 1 pp; Cancelled
233ITU-T D.101-19891989-01-01EnglishCharging in Automatic International Telephone Service - General Tariff Principles - Charging and Accounting in International Telecommunications Services - Study Group III; 2 pp; Cancelled
234ITU-T E.200-19891989-01-01EnglishOperational Provisions for the Maritime Mobile Service - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service - Study Group II; 21 pp; Cancelled; Same as Recmn F.110
235ITU-T H.12-19891989-01-01EnglishCharacteristics of Telephone-Type Leased Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
236ITU-T D.305R-19891989-01-01EnglishRemuneration for Facilities Used for the Switched-Transit Handling of Intercontinental Telephone Traffic in a Country in Europe or the Mediterranean Basin - General Tariff Principles - Charging and Accounting in International Telecommunications Services (Study Group III) 1 pp - Study Group III; 1 pp; Cancelled
237ITU-T G.453-19891989-01-01EnglishImproved Transmission System for HF Radio-Telephone Circuits - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
238ITU-T H.13-19891989-01-01EnglishCharacteristics of an Impulsive Noise Measuring Instrument for Telephone-Type Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
239ITU-T G.464-19891989-01-01EnglishPrinciples of the Devices Used to Achieve Privacy in Radiotelephone Conversations - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
240ITU-T G.445-19891989-01-01EnglishAllowable Noise Power in the Hypothetical Reference Circuit for Frequency-Division Multiplex Telephony in the Fixed-Satellite Service - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
241ITU-T H.14-19891989-01-01EnglishCharacteristics of Group Links for the Transmission of Wide-Spectrum Signals - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
242ITU-T FASCICLE VI.4-19891989-01-01EnglishSpecifications of Signalling Systems R1 and R2 Recommendations Q.310 - Q.490 (Study Group XI)
243ITU-T G.313-19891989-01-01EnglishOpen-Wire Lines for Use with 12-Channel Carrier Systems - International Analogue Carrier Systems - Study Group XV; 3 pp; Cancelled
244ITU-T F.202-19891989-01-01EnglishInterworking between the Telex Service and the Teletex Service - General Procedures and Operational Requirements for the International Interconnection of Telex/Teletex Conversion Facilities - Telematic, Data Transmission and Teleconference Services - Operations and Quality of Service - Study Group I; 4 pp; Cancelled
245ITU-T F.203-19891989-01-01EnglishNetwork Based Storage for the Teletex Service - Telematic, Data Transmission and Teleconference Services - Operations and Quality of Service - Study Group I; 5 pp; Cancelled
246ITU-T G.141-19891989-01-01EnglishAttenuation Distortion - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 2 pp
247ITU-T G.641-19891989-01-01EnglishWaveguide Diameters - Transmission Media Characteristics - Study Group XV; 1 pp; Cancelled
248ITU-T G.544-19891989-01-01EnglishSpecifications for Terminal Equipment and Intermediate Repeater Stations - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
249ITU-T G.143-19891989-01-01EnglishCircuit Noise and the Use of Compandors - General Characteristics of International Telephone Connections and Circuits
250ITU-T G.151-19891989-01-01EnglishGeneral Performance Objectives Applicable to All Modern International Circuits and National Extension Circuits - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 6 pp
251ITU-T G.700-19891989-01-01EnglishFramework of the Series G.700, G.800 and G.900 Recommendations - General Aspects of Digital Transmission Systems; Terminal Equipments - Study Groups XV and XVIII; 4 pp; Cancelled
252ITU-T F.230-19891989-01-01EnglishService Requirements Unique to the Mixed Mode (MM) Used within the Teletex Service - Telematic, Data Transmission and Teleconference Services - Operations and Quality of Service - Study Group I; 5 pp; Cancelled
253ITU-T F.96-19891989-01-01EnglishList of Destination Indicators - Telegraph and Mobile Services Operations and Quality of Service - Study Group I; 2 pp; Cancelled
254ITU-T F.95-19891989-01-01EnglishTable of International Telex Relations and Traffic - Telegraph and Mobile Services Operations and Quality of Service - Study Group I; 2 pp; Cancelled
255ITU-T F.93-19891989-01-01EnglishRouting Table for Offices Connected to the Gentex Service - Telegraph and Mobile Services Operations and Quality of Service - Study Group I; 1 pp; Cancelled
256ITU-T F.92-19891989-01-01EnglishService Codes - Telegraph and Mobile Services Operations and Quality of Service - Study Group I; 3 pp; Cancelled
257ITU-T F.91-19891989-01-01EnglishGeneral Statistics for the Telegraph Services - Telegraph and Mobile Services Operations and Quality of Service - Study Group I; 2 pp; Cancelled
258ITU-T G.152-19891989-01-01EnglishCharacteristics Appropriate to Long-Distance Circuits of a Length Not Exceeding 2500 km - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 2 pp
259ITU-T F.422-19891989-01-01EnglishMessage Handling Services: Intercommunication between the IPM Service and the Teletex Service - Message Handling and Directory Services - Operations and Definition of Service - Study Group I; 6 pp; Cancelled
260ITU-T F.601-19891989-01-01EnglishService and Operational Principles for Packet-Switched Public Data Networks - Telematic, Data Transmission and Teleconference Services - Operations and Quality of Service - Study Group 1
261ITU-T G.153-19891989-01-01EnglishCharacteristics Appropriate to International Circuits More Than 2500 km in Length - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 4 pp
262ITU-T G.543-19891989-01-01EnglishSpecification of Repeater Sections of Loaded Telecommunication Cable - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
263ITU-T G.542-19891989-01-01EnglishSpecification of Loading Coils for Loaded Telecommunication Cables - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
264ITU-T G.162-19891989-01-01EnglishCharacteristics of Compandors for Telephony - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 8 pp
265ITU-T E.600-19891989-01-01EnglishTerms and Definitions of Traffic Engineering
266ITU-T G.444-19891989-01-01EnglishAllowable Noise Power in the Hypothetical Reference Circuit of Trans-Horizon Radio-Relay Systems for Telephony Using Frequency-Division Multiplex - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
267ITU-T G.163-19891989-01-01EnglishCall Concentrating Systems - General Characteristics of International Telephone Connections and Circuits - Study Groups XII and XV; 2 pp
268ITU-T G.541-19891989-01-01EnglishSpecification of Factory Lengths of Loaded Telecommunications Cable - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
269ITU-T H.52-19891989-01-01EnglishTransmission of Wide-Spectrum Signals (Data, Facsimile, Etc.) on Wideband Group Links - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
270ITU-T E.276-19891989-01-01EnglishTransmission in Encoded Form of Telephone Reversed Charge Billing and Accounting Information - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 1 pp
271ITU-T G.434-19891989-01-01EnglishHypothetical Reference Circuit for Systems Using Analogue Transmission in the Fixed-Satellite Service - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
272ITU-T G.433-19891989-01-01EnglishHypothetical Reference Circuit for Trans-Horizon Radio-Relay Systems for Telephony Using Frequency-Division Multiplex - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
273ITU-T E.250-19891989-01-01EnglishNew System for Accounting in International Telephony - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 1 pp - Same as Recmn D.150
274ITU-T E.251-19891989-01-01EnglishOld System for Accounting in International Telephony - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 1 pp - Same as Recmn D.151
275ITU-T G.166-19891989-01-01EnglishCharacteristics of Syllabic Compandors for Telephony on High Capacity Long Distance Systems - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 7 pp
276ITU-T E.252-19891989-01-01EnglishMode of Application of the Flat-Rate Price Procedure Set Forthe in Recommendations D.67 and D.150 for Remuneration of Facilities Made Available to the Administrations of Other Countries - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 1 pp
277ITU-T H.53-19891989-01-01EnglishTransmission of Wide-Spectrum Signals (Data, Etc.) over Wideband Supergroup Links - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
278ITU-T E.270-19891989-01-01EnglishMonthly Telephone and Telex Accounts - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 1 pp
279ITU-T G.473-19891989-01-01EnglishInterconnection of a Maritime Mobile Satellite System with the International Automatic Switched Telephone Service; Transmission Aspects - International Analogue Carrier Systems - Study Group XV; 10 pp
280ITU-T F.81-19891989-01-01EnglishInterworking between Teletex Service and Telex Service - General Principles - Telematic, Data Transmission and Teleconference Services - Operations and Quality of Service - Study Group I; 12 pp; Same as Recmn F.201
281ITU-T G.234-19891989-01-01English8-Channel Terminal Equipments - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
282ITU-T G.235-19891989-01-01English16-Channel Terminal Equipments - International Analogue Carrier Systems - Study Group XV; 4 pp; Cancelled
283ITU-T G.471-19891989-01-01EnglishConditions Necessary for Interconnection of Mobile Radiotelephone Stations and International Telephone Lines - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
284ITU-T E.163-19891989-01-01EnglishNumbering Plan for the International Telephone Service - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 8 pp
285ITU-T F.62-19891989-01-01EnglishDuplex Operation in the Telex Service - Telegraph and Mobile Services Operations and Quality of Service - Study Group I; 1 pp; Cancelled
286ITU-T E.275-19891989-01-01EnglishTransmission in Encoded Form of Monthly International Accounting Information - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 1 pp
287ITU-T G.412-19891989-01-01EnglishTerminal Equipments of Radio-Relay Systems Forming Part of a General Telecommunication Network - International Analogue Carrier Systems - Study Group XV; 1 pp; Cancelled
288ITU-T E.150-19891989-01-01EnglishPublication of a "List of International Telephone Routes" - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service - Study Group II; 3 pp; Cancelled
289ITU-T G.723-19891989-01-01EnglishExtensions of Recommendation G.721 Adaptive Differential Pulse Code Modulation to 24 and 40 kbit/s for Digital Circuit Multiplication Equipment Application - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Group XV/XVIII) 18 pp
290ITU-T G.371-19891989-01-01EnglishFDM Carrier Systems for Submarine Cable - International Analogue Carrier Systems - Study Group XV; 3 pp
291ITU-T G.311-19891989-01-01EnglishGeneral Characteristics of Systems Providing 12 Carrier Telephone Circuits on an Open-Wire Pair - International Analogue Carrier Systems - Study Group XV; 6 pp; Cancelled
292ITU-T FASCICLE X.3-19881988-12-01EnglishAnnex F.1 to Recommendation Z.100: SDL Formal Definition - Introduction (Study Group X)
293ITU-T FASCICLE III.3-19881988-11-14EnglishTransmission Media Characteristics Recommendations G.601 - G.654
294ITU-T H.130 SPANISH-19881988-11-01SpanishFRAME STRUCTURES FOR USE IN THE INTERNATIONAL INTERCONNECTION OF DIGITAL CODECS FOR VIDEOCONFERENCING OR VISUAL TELEPHONY
295ITU-T H.130 FRENCH-19881988-11-01FrenchFRAME STRUCTURES FOR USE IN THE INTERNATIONAL INTERCONNECTION OF DIGITAL CODECS FOR VIDEOCONFERENCING OR VISUAL TELEPHONY
296ITU-T H.130-19881988-11-01EnglishFRAME STRUCTURES FOR USE IN THE INTERNATIONAL INTERCONNECTION OF DIGITAL CODECS FOR VIDEOCONFERENCING OR VISUAL TELEPHONY
297ITU-T H.110 SPANISH-19881988-11-01SpanishHYPOTHETICAL REFERENCE CONNECTIONS FOR VIDEOCONFERENCING USING PRIMARY DIGITAL GROUP TRANSMISSION
298ITU-T G.901-19881988-11-01EnglishGENERAL CONSIDERATIONS ON DIGITAL SECTIONS AND DIGITAL LINE SYSTEMS
299ITU-T H.110 FRENCH-19881988-11-01FrenchHYPOTHETICAL REFERENCE CONNECTIONS FOR VIDEOCONFERENCING USING PRIMARY DIGITAL GROUP TRANSMISSION
300ITU-T H.110-19881988-11-01EnglishHYPOTHETICAL REFERENCE CONNECTIONS FOR VIDEOCONFERENCING USING PRIMARY DIGITAL GROUP TRANSMISSION
301ITU-T H.100 SPANISH-19881988-11-01SpanishVISUAL TELEPHONE SYSTEMS
302ITU-T H.100 FRENCH-19881988-11-01FrenchVISUAL TELEPHONE SYSTEMS
303ITU-T H.100-19881988-11-01EnglishVISUAL TELEPHONE SYSTEMS
304ITU-T G.901 FRENCH-19881988-11-01FrenchGENERAL CONSIDERATIONS ON DIGITAL SECTIONS AND DIGITAL LINE SYSTEMS
305ITU-T G.921-19881988-11-01EnglishDIGITAL SECTIONS BASED ON THE 2048 kbit/s HIERARCHY
306ITU-T G.921 FRENCH-19881988-11-01FrenchDIGITAL SECTIONS BASED ON THE 2048 kbit/s HIERARCHY
307ITU-T G.921 SPANISH-19881988-11-01SpanishDIGITAL SECTIONS BASED ON THE 2048 kbit/s HIERARCHY
308ITU-T G.931-19881988-11-01EnglishDIGITAL LINE SECTIONS AT 3152 kbit/s
309ITU-T G.931 FRENCH-19881988-11-01FrenchDIGITAL LINE SECTIONS AT 3152 kbit/s
310ITU-T G.931 SPANISH-19881988-11-01SpanishDIGITAL LINE SECTIONS AT 3152 kbit/s
311ITU-T G.941-19881988-11-01EnglishDIGITAL LINE SYSTEMS PROVIDED BY FDM TRANSMISSION BEARERS
312ITU-T G.941 FRENCH-19881988-11-01FrenchDIGITAL LINE SYSTEMS PROVIDED BY FDM TRANSMISSION BEARERS
313ITU-T G.941 SPANISH-19881988-11-01SpanishDIGITAL LINE SYSTEMS PROVIDED BY FDM TRANSMISSION BEARERS
314ITU-T G.950-19881988-11-01EnglishGENERAL CONSIDERATIONS ON DIGITAL LINE SYSTEMS
315ITU-T G.950 FRENCH-19881988-11-01FrenchGENERAL CONSIDERATIONS ON DIGITAL LINE SYSTEMS
316ITU-T G.950 SPANISH-19881988-11-01SpanishGENERAL CONSIDERATIONS ON DIGITAL LINE SYSTEMS
317ITU-T Q.783 SPANISH-19881988-11-01SpanishTUP TEST SPECIFICATION
318ITU-T G.951-19881988-11-01EnglishDIGITAL LINE SYSTEMS BASED ON THE 1544 KBIT/S HIERARCHY ON SYMMETRIC PAIR CABLES
319ITU-T G.951 FRENCH-19881988-11-01FrenchDIGITAL LINE SYSTEMS BASED ON THE 1544 KBIT/S HIERARCHY ON SYMMETRIC PAIR CABLES
320ITU-T G.951 SPANISH-19881988-11-01SpanishDIGITAL LINE SYSTEMS BASED ON THE 1544 KBIT/S HIERARCHY ON SYMMETRIC PAIR CABLES
321ITU-T F.200 FRENCH-19881988-11-01FrenchTELETEX SERVICE
322ITU-T F.200 SPANISH-19881988-11-01SpanishTELETEX SERVICE
323ITU-T F.201 FRENCH-19881988-11-01FrenchINTERWORKING BETWEEN TELETEX SERVICE AND TELEX SERVICE - GENERAL PRINCIPLES
324ITU-T F.201 SPANISH-19881988-11-01SpanishINTERWORKING BETWEEN TELETEX SERVICE AND TELEX SERVICE - GENERAL PRINCIPLES
325ITU-T F.220 FRENCH-19881988-11-01FrenchSERVICE REQUIREMENTS UNIQUE TO THE PROCESSABLE MODE NUMBER ELEVEN (PM11) USED WITHIN THE TELETEX SERVICE
326ITU-T S.17 SPANISH-19881988-11-01SpanishANSWER - BACK UNIT SIMULATORS
327ITU-T F.220 SPANISH-19881988-11-01SpanishSERVICE REQUIREMENTS UNIQUE TO THE PROCESSABLE MODE NUMBER ELEVEN (PM11) USED WITHIN THE TELETEX SERVICE
328ITU-T F.601 FRENCH-19881988-11-01FrenchSERVICE AND OPERATIONAL PRINCIPLES FOR PACKET-SWITCHED PUBLIC DATA NETWORKS
329ITU-T F.601 SPANISH-19881988-11-01SpanishSERVICE AND OPERATIONAL PRINCIPLES FOR PACKET-SWITCHED PUBLIC DATA NETWORKS
330ITU-T G.123 FRENCH-19881988-11-01FrenchCircuit Noise in National Networks
331ITU-T G.123 SPANISH-19881988-11-01SpanishCircuit Noise in National Networks
332ITU-T G.125 FRENCH-19881988-11-01FrenchCHARACTERISTICS OF NATIONAL CIRCUITS ON CARRIER SYSTEMS
333ITU-T G.952-19881988-11-01EnglishDIGITAL LINE SYSTEMS BASED ON THE 2048 kbit/s HIERARCHY ON SYMMETRIC PAIR CABLES
334ITU-T G.952 FRENCH-19881988-11-01FrenchDIGITAL LINE SYSTEMS BASED ON THE 2048 kbit/s HIERARCHY ON SYMMETRIC PAIR CABLES
335ITU-T H.43-19881988-11-01EnglishDocument Facsimile Transmissions on Leased Telephone-Type Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
336ITU-T G.952 SPANISH-19881988-11-01SpanishDIGITAL LINE SYSTEMS BASED ON THE 2048 KBIT/S HIERARCHY ON SYMMETRIC PAIR CABLES
337ITU-T G.125 SPANISH-19881988-11-01SpanishCHARACTERISTICS OF NATIONAL CIRCUITS ON CARRIER SYSTEMS
338ITU-T G.953-19881988-11-01EnglishDIGITAL LINE SYSTEMS BASED ON THE 1544 kbit/s HIERARCHY ON COAXIAL PAIR CABLES
339ITU-T G.953 FRENCH-19881988-11-01FrenchDIGITAL LINE SYSTEMS BASED ON THE 1544 kbit/s HIERARCHY ON COAXIAL PAIR CABLES
340ITU-T G.953 SPANISH-19881988-11-01SpanishDIGITAL LINE SYSTEMS BASED ON THE 1544 kbit/s HIERARCHY ON COAXIAL PAIR CABLES
341ITU-T G.954-19881988-11-01EnglishDIGITAL LINE SYSTEMS BASED ON THE 2048 kbit/s HIERARCHY ON COAXIAL PAIR CABLES
342ITU-T G.954 FRENCH-19881988-11-01FrenchDIGITAL LINE SYSTEMS BASED ON THE 2048 kbit/s HIERARCHY ON COAXIAL PAIR CABLES
343ITU-T G.954 SPANISH-19881988-11-01SpanishDIGITAL LINE SYSTEMS BASED ON THE 2048 kbit/s HIERARCHY ON COAXIAL PAIR CABLES
344ITU-T H.34-19881988-11-01EnglishSubdivision of Frequency Band of a Telephone-Type Circuit between Telegraphy and Other Services - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
345ITU-T A.30 SPANISH-19881988-11-01SpanishMAJOR DEGRADATION OR DISRUPTION OF SERVICE
346ITU-T A.30 FRENCH-19881988-11-01FrenchMAJOR DEGRADATION OR DISRUPTION OF SERVICE
347ITU-T A.10 SPANISH-19881988-11-01SpanishTERMS AND DEFINITIONS
348ITU-T A.10 FRENCH-19881988-11-01FrenchTERMS AND DEFINITIONS
349ITU-T G.132 FRENCH-19881988-11-01FrenchAttenuation Distortion
350ITU-T G.132 SPANISH-19881988-11-01SpanishAttenuation Distortion
351ITU-T G.133 FRENCH-19881988-11-01FrenchGroup-Delay Distortion
352ITU-T G.133 SPANISH-19881988-11-01SpanishGroup-Delay Distortion
353ITU-T G.134 FRENCH-19881988-11-01FrenchLinear Crosstalk
354ITU-T G.134 SPANISH-19881988-11-01SpanishLinear Crosstalk
355ITU-T G.135 FRENCH-19881988-11-01FrenchError on the Reconstituted Frequency
356ITU-T G.135 SPANISH-19881988-11-01SpanishError on the Reconstituted Frequency
357ITU-T G.141 FRENCH-19881988-11-01FrenchATTENUATION DISTORTION
358ITU-T G.141 SPANISH-19881988-11-01SpanishATTENUATION DISTORTION
359ITU-T G.151 FRENCH-19881988-11-01FrenchGENERAL PERFORMANCE OBJECTIVES APPLICABLE TO ALL MODERN INTERNATIONAL CIRCUITS AND NATIONAL EXTENSION CIRCUITS
360ITU-T G.151 SPANISH-19881988-11-01SpanishGENERAL PERFORMANCE OBJECTIVES APPLICABLE TO ALL MODERN INTERNATIONAL CIRCUITS AND NATIONAL EXTENSION CIRCUITS
361ITU-T G.152 FRENCH-19881988-11-01FrenchCHARACTERISTICS APPROPRIATE TO LONG-DISTANCE CIRCUITS OF A LENGTH NOT EXCEEDING 2500 km
362ITU-T G.152 SPANISH-19881988-11-01SpanishCHARACTERISTICS APPROPRIATE TO LONG-DISTANCE CIRCUITS OF A LENGTH NOT EXCEEDING 2500 km
363ITU-T G.153 FRENCH-19881988-11-01FrenchCHARACTERISTICS APPROPRIATE TO INTERNATIONAL CIRCUITS MORE THAN 2500 KM IN LENGTH
364ITU-T G.153 SPANISH-19881988-11-01SpanishCHARACTERISTICS APPROPRIATE TO INTERNATIONAL CIRCUITS MORE THAN 2500 KM IN LENGTH
365ITU-T G.162 FRENCH-19881988-11-01FrenchCHARACTERISTICS OF COMPANDORS FOR TELEPHONY
366ITU-T G.162 SPANISH-19881988-11-01SpanishCHARACTERISTICS OF COMPANDORS FOR TELEPHONY
367ITU-T Q.724 SPANISH-19881988-11-01SpanishSignalling Procedures
368ITU-T Q.724 FRENCH-19881988-11-01FrenchSignalling Procedures
369ITU-T Q.724-19881988-11-01EnglishSignalling Procedures
370ITU-T Q.723 SPANISH-19881988-11-01SpanishFormats and Codes
371ITU-T Q.723 FRENCH-19881988-11-01FrenchFormats and Codes
372ITU-T Q.723-19881988-11-01EnglishFormats and Codes
373ITU-T F.85-19881988-11-01EnglishMessage Handling Service; Intercommunication between the IPM Service and the Telex Service - Telegraph and Mobile Services Operations and Quality of Service - Study Group I; 4 pp; Same as Recmn F.421; Renumbered from Recmn F.75
374ITU-T G.166 FRENCH-19881988-11-01FrenchCHARACTERISTICS OF SYLLABIC COMPANDORS FOR TELEPHONY ON HIGH CAPACITY LONG DISTANCE SYSTEMS
375ITU-T Q.702 SPANISH-19881988-11-01SpanishSIGNALLING DATA LINK
376ITU-T Q.120-Q.139 FRENCH-19881988-11-01FrenchSpecifications of Signalling System No. 4
377ITU-T G.166 SPANISH-19881988-11-01SpanishCHARACTERISTICS OF SYLLABIC COMPANDORS FOR TELEPHONY ON HIGH CAPACITY LONG DISTANCE SYSTEMS
378ITU-T N.18 SPANISH-19881988-11-01SpanishMONITORING FOR CHARGING PURPOSES, RELEASING
379ITU-T N.18 FRENCH-19881988-11-01FrenchMONITORING FOR CHARGING PURPOSES, RELEASING
380ITU-T N.18-19881988-11-01EnglishMONITORING FOR CHARGING PURPOSES, RELEASING
381ITU-T N.17 SPANISH-19881988-11-01SpanishMONITORING THE TRANSMISSION
382ITU-T N.17 FRENCH-19881988-11-01FrenchMONITORING THE TRANSMISSION
383ITU-T N.17-19881988-11-01EnglishMONITORING THE TRANSMISSION
384ITU-T N.16 SPANISH-19881988-11-01SpanishIDENTIFICATION SIGNAL
385ITU-T N.16 FRENCH-19881988-11-01FrenchIDENTIFICATION SIGNAL
386ITU-T H.140 FRENCH-19881988-11-01FrenchA MULTIPOINT INTERNATIONAL VIDEOCONFERENCE SYSTEM
387ITU-T G.444 SPANISH-19881988-11-01SpanishALLOWABLE NOISE POWER IN THE HYPOTHETICAL REFERENCE CIRCUIT OF TRANS-HORIZON RADIO-RELAY SYSTEMS FOR TELEPHONY USING FREQUENCY-DIVISION MULTIPLEX
388ITU-T G.445 FRENCH-19881988-11-01FrenchALLOWABLE NOISE POWER IN THE HYPOTHETICAL REFERENCE CIRCUIT FOR FREQUENCY-DIVISION MULTIPLEX TELEPHONY IN THE FIXED-SATELLITE SERVICE
389ITU-T G.445 SPANISH-19881988-11-01SpanishALLOWABLE NOISE POWER IN THE HYPOTHETICAL REFERENCE CIRCUIT FOR FREQUENCY-DIVISION MULTIPLEX TELEPHONY IN THE FIXED-SATELLITE SERVICE
390ITU-T F.62 SPANISH-19881988-11-01SpanishDUPLEX OPERATION IN THE TELEX SERVICE
391ITU-T G.791-19881988-11-01EnglishGeneral Considerations on Transmultiplexing Equipments - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 2 pp
392ITU-T G.791 SPANISH-19881988-11-01SpanishGENERAL CONSIDERATIONS ON TRANSMULTIPLEXING EQUIPMENTS
393ITU-T G.792-19881988-11-01EnglishCharacteristics Common to All Transmultiplexing Equipments - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 13 pp
394ITU-T Z.301-19881988-11-01EnglishINTRODUCTION TO THE CCITT MAN-MACHINE LANGUAGE
395ITU-T Z.301 FRENCH-19881988-11-01FrenchINTRODUCTION TO THE CCITT MAN-MACHINE LANGUAGE
396ITU-T Z.301 SPANISH-19881988-11-01SpanishINTRODUCTION TO THE CCITT MAN-MACHINE LANGUAGE
397ITU-T Z.302-19881988-11-01EnglishTHE META-LANGUAGE FOR DESCRIBING MML SYNTAX AND DIALOGUE PROCEDURES
398ITU-T Z.302 FRENCH-19881988-11-01FrenchTHE META-LANGUAGE FOR DESCRIBING MML SYNTAX AND DIALOGUE PROCEDURES
399ITU-T Z.302 SPANISH-19881988-11-01SpanishTHE META-LANGUAGE FOR DESCRIBING MML SYNTAX AND DIALOGUE PROCEDURES
400ITU-T Z.311-19881988-11-01EnglishINTRODUCTION TO SYNTAX AND DIALOGUE PROCEDURES
401ITU-T Z.311 FRENCH-19881988-11-01FrenchINTRODUCTION TO SYNTAX AND DIALOGUE PROCEDURES
402ITU-T Z.311 SPANISH-19881988-11-01SpanishINTRODUCTION TO SYNTAX AND DIALOGUE PROCEDURES
403ITU-T Z.312-19881988-11-01EnglishBASIC FORMAT LAYOUT
404ITU-T Z.312 FRENCH-19881988-11-01FrenchBASIC FORMAT LAYOUT
405ITU-T Z.312 SPANISH-19881988-11-01SpanishBASIC FORMAT LAYOUT
406ITU-T Z.314-19881988-11-01EnglishThe character set and basic elements
407ITU-T Z.321-19881988-11-01EnglishINTRODUCTION TO THE EXTENDED MML FOR VISUAL DISPLAY TERMINALS
408ITU-T Z.321 FRENCH-19881988-11-01FrenchINTRODUCTION TO THE EXTENDED MML FOR VISUAL DISPLAY TERMINALS
409ITU-T Z.321 SPANISH-19881988-11-01SpanishINTRODUCTION TO THE EXTENDED MML FOR VISUAL DISPLAY TERMINALS
410ITU-T Z.322-19881988-11-01EnglishCAPABILITIES OF VISUAL DISPLAY TERMINALS
411ITU-T Z.322 FRENCH-19881988-11-01FrenchCAPABILITIES OF VISUAL DISPLAY TERMINALS
412ITU-T Z.322 SPANISH-19881988-11-01SpanishCAPABILITIES OF VISUAL DISPLAY TERMINALS
413ITU-T Z.323-19881988-11-01EnglishMAN-MACHINE INTERACTION
414ITU-T Z.323 FRENCH-19881988-11-01FrenchMAN-MACHINE INTERACTION
415ITU-T G.711-19881988-11-01EnglishPULSE CODE MODULATION (PCM) OF VOICE FREQUENCIES
416ITU-T G.792 FRENCH-19881988-11-01FrenchCHARACTERISTICS COMMON TO ALL TRANSMULTIPLEXING EQUIPMENTS
417ITU-T Z.323 SPANISH-19881988-11-01SpanishMAN-MACHINE INTERACTION
418ITU-T Z.331-19881988-11-01EnglishINTRODUCTION TO THE SPECIFICATION OF THE MAN-MACHINE INTERFACE
419ITU-T Z.331 FRENCH-19881988-11-01FrenchINTRODUCTION TO THE SPECIFICATION OF THE MAN-MACHINE INTERFACE
420ITU-T Z.331 SPANISH-19881988-11-01SpanishINTRODUCTION TO THE SPECIFICATION OF THE MAN-MACHINE INTERFACE
421ITU-T Z.332-19881988-11-01EnglishMETHODOLOGY FOR THE SPECIFICATION OF THE MAN-MACHINE INTERFACE - GENERAL WORKING PROCEDURE
422ITU-T Z.332 FRENCH-19881988-11-01FrenchMETHODOLOGY FOR THE SPECIFICATION OF THE MAN-MACHINE INTERFACE - GENERAL WORKING PROCEDURE
423ITU-T Z.332 SPANISH-19881988-11-01SpanishMETHODOLOGY FOR THE SPECIFICATION OF THE MAN-MACHINE INTERFACE GENERAL WORKING PROCEDURE
424ITU-T Z.333-19881988-11-01EnglishMETHODOLOGY FOR THE SPECIFICATION OF THE MAN-MACHINE INTERFACE - TOOLS AND METHODS
425ITU-T Z.333 FRENCH-19881988-11-01FrenchMETHODOLOGY FOR THE SPECIFICATION OF THE MAN-MACHINE INTERFACE - TOOLS AND METHODS
426ITU-T Z.333 SPANISH-19881988-11-01SpanishMETHODOLOGY FOR THE SPECIFICATION OF THE MAN-MACHINE INTERFACE - TOOLS AND METHODS
427ITU-T G.791 FRENCH-19881988-11-01FrenchGENERAL CONSIDERATIONS ON TRANSMULTIPLEXING EQUIPMENTS
428ITU-T G.792 SPANISH-19881988-11-01SpanishCHARACTERISTICS COMMON TO ALL TRANSMULTIPLEXING EQUIPMENTS
429ITU-T G.793-19881988-11-01EnglishCharacteristics of 60-Channel Transmultiplexing Equipments - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 9 pp
430ITU-T G.793 FRENCH-19881988-11-01FrenchCHARACTERISTICS OF 60-CHANNEL TRANSMULTIPLEXING EQUIPMENTS
431ITU-T G.793 SPANISH-19881988-11-01SpanishCHARACTERISTICS OF 60-CHANNEL TRANSMULTIPLEXING EQUIPMENTS
432ITU-T Z.334-19881988-11-01EnglishSUBSCRIBER ADMINISTRATION
433ITU-T Z.334 FRENCH-19881988-11-01FrenchSUBSCRIBER ADMINISTRATION
434ITU-T Z.334 SPANISH-19881988-11-01SpanishSUBSCRIBER ADMINISTRATION
435ITU-T Z.335-19881988-11-01EnglishROUTING ADMINISTRATION
436ITU-T F.51-19881988-11-01EnglishINTERWORKING BETWEEN THE TELEMESSAGE SERVICE AND THE INTERNATIONAL PUBLIC TELEGRAM SERVICE
437ITU-T Z.335 FRENCH-19881988-11-01FrenchROUTING ADMINISTRATION
438ITU-T F.51 FRENCH-19881988-11-01FrenchINTERWORKING BETWEEN THE TELEMESSAGE SERVICE AND THE INTERNATIONAL PUBLIC TELEGRAM SERVICE
439ITU-T Z.335 SPANISH-19881988-11-01SpanishROUTING ADMINISTRATION
440ITU-T Z.336-19881988-11-01EnglishTRAFFIC MEASUREMENT ADMINISTRATION
441ITU-T F.51 SPANISH-19881988-11-01SpanishINTERWORKING BETWEEN THE TELEMESSAGE SERVICE AND THE INTERNATIONAL PUBLIC TELEGRAM SERVICE
442ITU-T G.794-19881988-11-01EnglishCharacteristics of 24-Channel Transmultiplexing Equipments - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 5 pp
443ITU-T Z.336 FRENCH-19881988-11-01FrenchTRAFFIC MEASUREMENT ADMINISTRATION
444ITU-T Z.336 SPANISH-19881988-11-01SpanishTRAFFIC MEASUREMENT ADMINISTRATION
445ITU-T Z.337-19881988-11-01EnglishNETWORK MANAGEMENT ADMINISTRATION
446ITU-T Z.337 FRENCH-19881988-11-01FrenchNETWORK MANAGEMENT ADMINISTRATION
447ITU-T Z.337 SPANISH-19881988-11-01SpanishNETWORK MANAGEMENT ADMINISTRATION
448ITU-T Z.341-19881988-11-01EnglishGLOSSARY OF TERMS
449ITU-T G.794 FRENCH-19881988-11-01FrenchCHARACTERISTICS OF 24-CHANNEL TRANSMULTIPLEXING EQUIPMENTS
450ITU-T Z.341 FRENCH-19881988-11-01FrenchGLOSSARY OF TERMS
451ITU-T Z.341 SPANISH-19881988-11-01SpanishGLOSSARY OF TERMS
452ITU-T R.20 FRENCH-19881988-11-01FrenchTELEGRAPH MODEM FOR SUBSCRIBER LINES
453ITU-T R.20 SPANISH-19881988-11-01SpanishTELEGRAPH MODEM FOR SUBSCRIBER LINES
454ITU-T G.794 SPANISH-19881988-11-01SpanishCHARACTERISTICS OF 24-CHANNEL TRANSMULTIPLEXING EQUIPMENTS
455ITU-T G.795-19881988-11-01EnglishCHARACTERISTICS OF CODECS FOR FDM ASSEMBLIES - GENERAL ASPECTS OF DIGITAL TRANSMISSION SYSTEMS - TERMINAL EQUIPMENTS - Study Groups XV and XVIII
456ITU-T G.795 FRENCH-19881988-11-01FrenchCHARACTERISTICS OF CODECS FOR FDM ASSEMBLIES
457ITU-T G.795 SPANISH-19881988-11-01SpanishCHARACTERISTICS OF CODECS FOR FDM ASSEMBLIES
458ITU-T G.801-19881988-11-01EnglishDigital transmission models
459ITU-T G.801 FRENCH-19881988-11-01FrenchDigital transmission models
460ITU-T G.801 SPANISH-19881988-11-01SpanishDigital transmission models
461ITU-T G.802-19881988-11-01EnglishInterworking between networks based on different digital hierarchies and speech encoding laws
462ITU-T G.802 FRENCH-19881988-11-01FrenchInterworking between networks based on different digital hierarchies and speech encoding laws
463ITU-T G.802 SPANISH-19881988-11-01SpanishInterworking between networks based on different digital hierarchies and speech encoding laws
464ITU-T D.251 SPANISH-19881988-11-01SpanishGENERAL 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
465ITU-T Q.783 FRENCH-19881988-11-01FrenchTUP TEST SPECIFICATION
466ITU-T D.251-19881988-11-01EnglishGeneral 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
467ITU-T G.822-19881988-11-01EnglishCONTROLLED SLIP RATE OBJECTIVES ON AN INTERNATIONAL DIGITAL CONNECTION
468ITU-T G.822 FRENCH-19881988-11-01FrenchCONTROLLED SLIP RATE OBJECTIVES ON AN INTERNATIONAL DIGITAL CONNECTION
469ITU-T G.822 SPANISH-19881988-11-01SpanishCONTROLLED SLIP RATE OBJECTIVES ON AN INTERNATIONAL DIGITAL CONNECTION
470ITU-T H.140 SPANISH-19881988-11-01SpanishA MULTIPOINT INTERNATIONAL VIDEOCONFERENCE SYSTEM
471ITU-T F.62 FRENCH-19881988-11-01FrenchDUPLEX OPERATION IN THE TELEX SERVICE
472ITU-T H.140-19881988-11-01EnglishA MULTIPOINT INTERNATIONAL VIDEOCONFERENCE SYSTEM
473ITU-T F.126-19881988-11-01EnglishSelection Procedures for the INMARSAT Mobile-Satellite Telex Service - Telegraph and Mobile Services Operations and Quality of Service - Study Group I; 11 pp; Cancelled
474ITU-T F.126 FRENCH-19881988-11-01FrenchSELECTION PROCEDURES FOR THE INMARSAT MOBIILE-SATELLITE TELEX SERVICE
475ITU-T F.126 SPANISH-19881988-11-01SpanishSELECTION PROCEDURES FOR THE INMARSAT MOBIILE-SATELLITE TELEX SERVICE
476ITU-T Z.317 SPANISH-19881988-11-01SpanishMAN-MACHINE DIALOGUE PROCEDURES
477ITU-T Z.317 FRENCH-19881988-11-01FrenchMAN-MACHINE DIALOGUE PROCEDURES
478ITU-T Z.317-19881988-11-01EnglishMAN-MACHINE DIALOGUE PROCEDURES
479ITU-T Z.316 SPANISH-19881988-11-01SpanishOUTPUT LANGUAGE SYNTAX SPECIFICATION
480ITU-T Z.316 FRENCH-19881988-11-01FrenchOUTPUT LANGUAGE SYNTAX SPECIFICATION
481ITU-T Z.316-19881988-11-01EnglishOUTPUT LANGUAGE SYNTAX SPECIFICATION
482ITU-T Z.315 SPANISH-19881988-11-01SpanishINPUT (COMMAND) LANGUAGE SYNTAX SPECIFICATION
483ITU-T Z.315 FRENCH-19881988-11-01FrenchINPUT (COMMAND) LANGUAGE SYNTAX SPECIFICATION
484ITU-T Z.315-19881988-11-01EnglishINPUT (COMMAND) LANGUAGE SYNTAX SPECIFICATION
485ITU-T Z.314 SPANISH-19881988-11-01SpanishTHE CHARACTER SET AND BASIC ELEMENTS
486ITU-T Z.314 FRENCH-19881988-11-01FrenchTHE CHARACTER SET AND BASIC ELEMENTS
487ITU-T G.433 FRENCH-19881988-11-01FrenchHYPOTHETICAL REFERENCE CIRCUIT FOR TRANS-HORIZON RADIO-RELAY SYSTEMS FOR TELEPHONY USING FREQUENCY-DIVISION MULTIPLEX
488ITU-T G.433 SPANISH-19881988-11-01SpanishHYPOTHETICAL REFERENCE CIRCUIT FOR TRANS-HORIZON RADIO-RELAY SYSTEMS FOR TELEPHONY USING FREQUENCY-DIVISION MULTIPLEX
489ITU-T G.434 SPANISH-19881988-11-01SpanishHYPOTHETICAL REFERENCE CIRCUIT FOR SYSTEMS USING ANALOGUE TRANSMISSION IN THE FIXED-SATELLITE SERVICE
490ITU-T G.444 FRENCH-19881988-11-01FrenchALLOWABLE NOISE POWER IN THE HYPOTHETICAL REFERENCE CIRCUIT OF TRANS-HORIZON RADIO-RELAY SYSTEMS FOR TELEPHONY USING FREQUENCY-DIVISION MULTIPLEX
491ITU-T SERIE S SUPP 1 SPANISH-19881988-11-01SpanishMinimal specifications for the bilingual (Arabic/Latin) teleprinter
492ITU-T SERIE S SUPP 1 FRENCH-19881988-11-01FrenchMinimal specifications for the bilingual (Arabic/Latin) teleprinter
493ITU-T R.58 FRENCH-19881988-11-01FrenchSTANDARD LIMITS OF TRANSMISSION QUALITY FOR THE GENTEX AND TELEX NETWORKS
494ITU-T R.20-19881988-11-01EnglishTELEGRAPH MODEM FOR SUBSCRIBER LINES
495ITU-T R.2 FRENCH-19881988-11-01FrenchElement Error Rate
496ITU-T R.2 SPANISH-19881988-11-01SpanishElement Error Rate
497ITU-T R.4-19881988-11-01EnglishMETHODS FOR THE SEPARATE MEASUREMENTS OF THE DEGREES OF VARIOUS TYPES OF TELEGRAPH DISTORTION
498ITU-T R.4 FRENCH-19881988-11-01FrenchMETHODS FOR THE SEPARATE MEASUREMENTS OF THE DEGREES OF VARIOUS TYPES OF TELEGRAPH DISTORTION
499ITU-T R.4 SPANISH-19881988-11-01SpanishMETHODS FOR THE SEPARATE MEASUREMENTS OF THE DEGREES OF VARIOUS TYPES OF TELEGRAPH DISTORTION
500ITU-T R.30-19881988-11-01EnglishTRANSMISSION CHARACTERISTIC FOR INTERNATIONAL VFT LINKS