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ITU-T RECMN E.133 Operating Procedures for Cardphones - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 5 pp
ITU-T RECMN F.108 Operating Rules for International Phototelegraph Calls to Multiple Destinations - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 4 pp (Renumbered from Recmn F.85)
ITU-T RECMN V.18 Operational and Interworking Requirements for DCEs Operating in the Text Telephone Mode - Series V: Data Communication over the Telephone Network - Interfaces and Voiceband Modems Study Group 16; 32 pp
ITU-T RECMN V.18 Operational and Interworking Requirements for DCEs Operating in the Text Telephone Mode - Series V: Data Communication over the Telephone Network Interfaces and Voiceband Modems Study Group 14; 25 pp
ITU-T RECMN V.18 APPENDIX III Operational and Interworking Requirements for DCEs Operating in the Text Telephone Mode Appendix III: Connection Procedures for Terminals Including V.18 Functionality - Series V: Data Communication over the Telephone Network Interfaces and Voiceband Modems Study Group 16; 10 pp
ITU-T RECMN V.18 APPENDIX IV Operational and Interworking Requirements for DCEs Operating in the Text Telephone Mode Appendix IV: Specification of V.18 Implementation Tests Series V: Data Communication Over the Telephone Network Interfaces and Voiceband Modems Study Group 16; 35 pp
ITU-T RECMN V.18 Operational and Interworking Requirements for Modems Operating in the Text Telephone Mode - Data Communication over the Telephone Network Study Group 14; 22 pp
ITU-R RECMN M.540-2 Operational and Technical Characteristics for an Automated Direct- Printing Telegraph System for Promulgation of Navigational and Meteorological Warnings and Urgent Information to Ships - Section 8B - Maritime Mobile Service; Telegraphy and Related Subjects
ITU-R RECMN M.540-2 Operational and Technical Characteristics for an Automated Direct-Printing Telegraph System for Promulgation of Navigational and Meteorological Warnings and Urgent Information to Ships
ITU-T RECMN T.541 Operational Application Profile for Videotex Interworking - Telematic Services Terminal Equipments and Protocols for Telematic Services (Study Group VIII) 25 pp
ITU-T RECMN T.541 Operational Application Profile for Videotex Interworking - Terminal Equipment and Protocols for Telematic Services (Study Group VIII) 22 pp
ITU-T RECMN F.17 Operational Aspects of Service Telecommunications (Study Group I) 5 pp
ITU-T RECMN J.150 Operational Functionalities for the Delivery of Digital Multiprogramme Television, Sound and Data Services Through Multichannel, Multipoint Distribution System (MMDS) - Series J: Transmission of Television, Sound Programme and Other Multimedia Signals - Digital Television Distribution Through Local Subscriber Networks Study Group 9; 15 pp
ITU-T RECMN J.150 AMD 1 Operational Functionalities for the Delivery of Digital Multiprogramme TV, Sound and Data Services Through Multichannel, Multipoint Distribution Systems (MMDS) - AMD 1: Additions to RECMN J.150 to Also Encompass Local Multipoint Distribution Systems (LMDS) - Series J: Transmission of TV, Sound Programme and Other Multimedia Signals - Digital TV Distribution Through Local Subscriber Networks Study Group 9; 12 pp
ITU-R RECMN BR.1422 Operational Practices for Television Use of Film Soundtracks Encoded with Noise Reduction and Matrix Surround
ITU-T RECMN F.73 Operational Principles for Communication between Terminals of the International Telex Service and Data Terminal Equipment on Packet Switched Public Data Networks - Telegraph and Mobile Services - Operations and Quality of Service Study Group I 9pp
ITU-T RECMN F.73 Operational Principles for Communication Between Terminals on Telex Networks and Data Terminal Equipment on Packet Switched Public Data Networks - Telegraph and Mobile Services Operations and Quality of Service Study Group I; 6 pp
ITU-T RECMN F.87 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 (Study Group I) 12 pp
ITU-R RECMN M.689 Operational Procedures for an International Maritime VHF Radiotelephone System with Automatic Facilities Based on DSC Signalling Format - Section 8C - Maritime Mobile Service; Telephony and Related Subjects
ITU-R RECMN M.689-1 Operational Procedures for an International Maritime VHF Radiotelephone System with Automatic Facilities Based on DSC Signalling Format - Section 8C - Maritime Mobile Service; Telephony and Related Subjects
ITU-T RECMN F.127 Operational Procedures for Interworking between the International Telex Service and the Service Offered by the INMARSAT-C System - Series F: Non-Telephone Telecommunication Services - Mobile Service - Mobile Services and Multidestination Satellite Services Study Group 1; 10 pp
ITU-T RECMN F.127 Operational Procedures for Interworking between the International Telex Service and the Service Offered by the Inmarsat-C System (Study Group I) 6 pp
ITU-T RECMN F.127 Operational Procedures for Interworking between the Telex Service and the Service Offered by INMARSAT Standard-C System - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 4 pp
ITU-R RECMN M.830 Operational Procedures for Mobile-Satellite Networks or Systems in the Bands 1 530-1 544 MHz and 1 626.5-1 645.5 MHz Which Are Used for Distress and Safety Purposes as Specified for GMDSS
ITU-T RECMN M.2130 Operational Procedures for the Maintenace of the Transport Network - Series M: TMN and Network Maintenance: International Transmission Systems, Telephone Circuits, Telegraphy, Facsimile and Leased Circuits International Transport Network
ITU-T RECMN F.122 Operational Procedures for the Maritime Satellite Data Transmission Service - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 8 pp
ITU-R RECMN M.541-5 Operational Procedures for the Use of Digital Selective-Calling (DSC) Equipment in the Maritime Mobile Service
ITU-R RECMN M.541-6 Operational Procedures for the Use of Digital Selective-Calling (DSC) Equipment in the Maritime Mobile Service
ITU-R RECMN M.541-7 Operational Procedures for the Use of Digital Selective-Calling (DSC) Equipment in the Maritime Mobile Service
ITU-R RECMN M.541-3 Operational Procedures for the Use of Digital Selective-Calling (DSC) Equipment in the Maritime Mobile Service - Section 8B - Maritime Mobile Service; Telegraphy and Related Subjects
ITU-R RECMN M.541-4 Operational Procedures for the Use of Digital Selective-Calling (DSC) Equipment in the Maritime Mobile Service - Section 8B - Maritime Mobile Service; Telegraphy and Related Subjects
ITU-R RECMN M.541-8 Operational Procedures for the Use of Digital Selective-Calling Equipment in the Maritime Mobile Service
ITU-R RECMN M.492-6 Operational Procedures for the Use of Direct-Printing Telegraph Equipment in the Maritime Mobile Service
ITU-R RECMN M.492-6 Operational Procedures for the Use of Direct-Printing Telegraph Equipment in the Maritime Mobile Service
ITU-R RECMN M.492-4 Operational Procedures for the Use of Direct-Printing Telegraph Equipment in the Maritime Mobile Service - Section 8B - Maritime Mobile Service; Telegraphy and Related Subjects
ITU-R RECMN M.492-5 Operational Procedures for the Use of Direct-Printing Telegraph Equipment in the Maritime Mobile Service - Section 8B - Maritime Mobile Service; Telegraphy and Related Subjects
ITU-T RECMN M.130 Operational Procedures in Locating and Clearing Transmission Faults - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 9 pp
ITU-T RECMN M.2130 Operational Procedures in Locating and Clearing Transmission Faults - Maintenance: International Transport Network (Study Group IV) 13 pp
ITU-T RECMN F.110 Operational Provision for the Maritime Mobile Service - Series F: Non-Telephone Telecommunication Services; Mobile Service - Mobile Services and Multidestination Satellite Services Study Group 1; 27 pp
ITU-T RECMN F.13 Operational 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
ITU-T RECMN F.105 Operational Provisions for Phototelegrams - Telegraph and Mobile Services Operations and Quality of Service Study Group I; 3 pp; Renumbered from Recmn F.80
ITU-T RECMN F.106 Operational Provisions for Private Phototelegraph Calls - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 2 pp (Renumbered from Recmn F.80 Bis)
ITU-T RECMN F.2 Operational Provisions for the Collection of Telegram Charges - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 1 pp (Renumbered from F.42)
ITU-T RECMN F.190 Operational Provisions for the International Facsimile Service between Public Bureaux and Subscriber Stations & Vice Versa (Bureaufax - Telefax and Vice-Versa) - Telematic, Data Transmission and Teleconference Services - Operations & Quality of Services (Study Group I) 3 pp
ITU-T RECMN F.190 Operational Provisions for the International Facsimile Service between Public Bureaux and Subscriber Stations and Vice Versa (Bureaufax - Telefax and Vice Versa) (Study Group I) 5 pp
ITU-T RECMN F.170 Operational Provisions for the International Public Facsimile Service between Public Bureaux (Bureaufax) - Operations and Quality of Service - Telematic Service Study Group 1; 12 pp
ITU-T RECMN F.170 Operational Provisions for the International Public Facsimile Service between Public Bureaux (Bureaufax) - Series F: Non-Telephone Telecommunication Services - Telematic Services - Public Facsimile Service Study Group 2; 13 pp
ITU-T RECMN F.170 Operational Provisions for the International Public Facsimile Service between Public Bureaux (Bureaufax) - Telematic, Data Transmission and Teleconference Services - Operations and Quality of Service - (Study Group I) 8 pp
ITU-T RECMN F.170 Operational Provisions for the International Public Facsimile Service between Public Bureaux (Bureaufax) (Study Group I) 9 pp
ITU-T RECMN F.184 Operational Provisions for the International Public Facsimile Service between Subscriber Stations with Group 4 Facsimile Machines (Telefax 4) - Telematic, Data Transmission and Teleconference Services - Operations and Quality of Service (Study Group I) 9 pp
ITU-T RECMN F.184 (REV 1) Operational Provisions for the International Public Facsimile Service between Subscriber Stations with Group 4 Facsimile Machines (Telefax 4) (Study Group I) 12 pp
ITU-T RECMN F.184 Operational Provisions for the International Public Facsimile Service between Subscriber Stations with Group 4 Facsimile Terminals (Telefax 4) - Series F: Non-Telephone Telecommunication Services; Telematic Services - Public Facsimile Service Study Group 1; 17 pp
ITU-T RECMN F.182 Operational Provisions for the International Public Facsimile Service between Subscribers' Stations with Group 3 Facsimile Machines (Telefax 3) - Operations and Quality of Service; Telematic Service (Study Group I) 7 pp
ITU-T RECMN F.182 Operational Provisions for the International Public Facsimile Service between Subscribers with Group 3 Facsimile Terminals (Telefax 3) - Series F: Non-Telephone Telecommunication Services Telematic Services - Public Facsimile Service Study Group 1; 10 pp
ITU-T RECMN F.1 Operational Provisions for the International Public Telegram Service - Series F: Non-Telephone Telecommunication Services - Telegraph Service - Operating Methods for the International Public Telegram Service Study Group 2; 65 pp
ITU-T RECMN F.1 Operational Provisions for the International Public Telegram Service - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 54 pp
ITU-T RECMN F.1 Operational Provisions for the International Public Telegram Service (Study Group I) 57 pp
ITU-T RECMN F.60 Operational Provisions for the International Telex Service - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 17 pp
ITU-T RECMN F.60 Operational Provisions for the International Telex Service (Study Group I) 34 pp
ITU-T RECMN F.110 Operational Provisions for the Maritime Mobile Service - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 21 pp (Same as Recmn E.200)
ITU-T RECMN E.200 Operational 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
ITU-T RECMN F.74 Operational Provisions Relating to Mailbox Devices Connected to the Telex Network - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 3 pp
ITU-T RECMN F.61 Operational Provisions Relating to the Chargeable Duration of a Telex Call - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 1 pp
ITU-T RECMN F.171 Operational Provisions Relating to the Use of Store-and-Forward Switching Nodes within the Bureaufax Service - Telematic, Data Transmission and Teleconference Services - Operations and Quality of Service - (Study Group I) 3 pp
ITU-T RECMN F.82 Operational Provisions to Permit Interworking between the International Telex Service and the Intex Service Study Group I; 5 pp
ITU-T RECMN F.471 CORR.1 Operational Requirements for the Interconnection of Voice-Mail Store-and-Forward Units - Corrigendum 1 - Series F: Non-Telephone Telecommunication Services - Message Handling Services Study Group 7; 6 pp
ITU-T RECMN F.471 Operational Requirements for the Interconnection of Voice-Mail Store-and-Forward Units - Series F: Non-Telephone Telecommunication Services Message Handling Services Study Group 7; 16 pp
ITU-T RECMN F.162 Operational Requirements of an International Store-and-Forward Facsimile Switching Service (Comfax) - Telematic, Data Transmission and Teleconference Services - Operations and Quality of Service - (Study Group I) 7 pp
ITU-T RECMN F.163 Operational Requirements of the Interconnection of Facsimile Store-and- Forward Units (Study Group I) 10 pp
ITU-T RECMN F.163 Operational Requirements of the Interconnection of Facsimile Store-and-Forward Units - Series F: Non-Telephone Telecommnication Services; Telematic Services - Public Facsimile Service Study Group 1; 15 pp
ITU-R OPINION 97 Operational Use of Geostationary Direct TV Satellites for Time Transfer Study Groups 4, 10and 11
ITU-R OPINION 97 Operational Use of Geostationary Direct TV Satellites for Time Transfer Study Groups 4, 10and 11
ITU-R RECMN TF.1153 Operational Use of Two-Way Satellite Time and Frequency Transfer Employing PN Codes
ITU-R RECMN TF.1153-1 Operational Use of Two-Way Satellite Time and Frequency Transfer Employing PN Codes
ITU-T RECMN Q.795 Operations, Maintenance and Administration Part (OMAP) - Specifications of Signalling System No. 7 Study Group XI; 47 pp; Cancelled
ITU-T RECMN U.21 Operator Recall on a Telex Call Set up on a Radiotelegraph Circuit - Telegraph Switching (Study Group IX) 1 pp
ITU-T RECMN E.140 Operator-Assisted Telephone Service (Study Group I) 6 pp
ITU-T FASCICLE I.2 Opinions and Resolutions Recommendations on the Organisation and Working Procedures of CCITT (Series A)
ITU-T RECMN G.982 Optical Access Networks to Support Services Up to the ISDN Primary Rate or Equivalent Bit Rates - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Optical Line Systems for Local and Access Networks Study Group 15; 28 pp
ITU-T RECMN L.31 Optical Fibre Attenuators - Series L: Construction, Installation and Protection of Cables and Other Elements of Outside Plant Study Group 6; 9 pp
ITU-T RECMN L.25 Optical Fibre Cable Network Maintenance - Series L: Construction, Installation and Protection of Cables and Other Elements of Outside Plant Study Group 6; 15 pp
ITU-T RECMN L.26 Optical Fibre Cables for Aerial Application - Series L: Construction, Installation and Protection of Cables and Other Elements of Outside Plant Study Group 6; 14 pp
ITU-T RECMN L.10 Optical Fibre Cables for Duct, Tunnel, Aerial and Buried Application - Construction, Installation and Protection of Cable and Other Elements of Outside Plant Study Group VI; 9 pp
ITU-T RECMN L.12 Optical Fibre Joints (Study Group VI) 10 pp
ITU-T HDBK OFT Optical Fibres for Telecommunications
ITU-T HDBK OFT Optical Fibres for Telecommunications
ITU-T HDBK OFS Optical Fibres Systems Planning Guide Study Group XV; Study Group XVIII; 242 pp
ITU-T HDBK OFS Optical Fibres Systems Planning Guide Study Group XV; Study Group XVIII; 242 pp
ITU-T RECMN G.957 Optical Interfaces for Equipments and Systems Relating to the Synchronous Digital Hierarchy - Digital Sections and Digital Line Systems (Study Group XV) 28 pp
ITU-T RECMN G.957 Optical Interfaces for Equipments and Systems Relating to the Synchronous Digital Hierarchy - Digital Sections and Digital Line Systems Study Group 15; 30 pp
ITU-T RECMN G.957 Optical Interfaces for Equipments and Systems Relating to the Synchronous Digital Hierarchy (Study Group XV) 32 pp
ITU-T RECMN G.957 Optical Interfaces for Equipments and Systems Relating to the Synchronous Digital Hierarchy Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Digital Line Systems Study Group 15; 37 pp
ITU-T RECMN G.692 Optical Interfaces for Multichannel Systems with Optical Amplifiers - Series G: Transmission Systems and Media, Digital Systems and Networks - Transmission Media Characteristics - Characteristics of Optical Components and Sub-Systems Study Group 15; 40 pp
ITU-T RECMN G.692 CORR 1 Optical Interfaces for Multichannel Systems with Optical Amplifiers - Telecommunication Standardization Sector of ITU
ITU-T RECMN L.15 Optical Local Distribution Networks - Factors to Be Considered for Their Construction - Construction, Installation and Protection of Cables and Other Elements of Outside Plants (Study Group VI) 12 pp
ITU-T RECMN G.664 Optical Safety Procedures and Requirements for Optical Transport Systems Series G: Transmission Systems and Media, Digital Systems and Networks Transmission Media Characteristics - Characteristics of Optical Components and SubSystems Study Group 15; 18 pp
ITU-R RECMN M.821 Optional Expansion of the Digital Selective-Calling System for Use in the Maritime Mobile Service
ITU-R RECMN M.821-1 Optional Expansion of the Digital Selective-Calling System for Use in the Maritime Mobile Service
ITU-R RECMN S.1002 Orbit Management Techniques for the Fixed-Satellite Service
ITU-R RECMN S.1002 Orbit Management Techniques for the Fixed-Satellite Service
ITU-R RECMN S.744 Orbit/Spectrum Improvement Measures for Satellite Networks Having More Than One Service in One or More Frequency Bands - Section 4D2 - Coordination Methods
ITU-R RECMN SA.1275 Orbital Locations of Data Relay Satellites to be Protected from the Emissions of Fixed Service Systems Operating in the Band 2 200-2 290 MHz
ITU-R RECMN SA.1276 Orbital Locations of Data Relay Satellites to be Protected from the Emissions of Fixed Service Systems Operating in the Band 25.25-27.5 GHz
ITU-T RECMN R.90 Organization for Locating and Clearing Faults in International Telegraph Switched Networks - Telegraph Transmission (Study Group IX) 5 pp
ITU-T RECMN M.600 Organization of Routine Maintenance Measurements on Circuits - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 1 pp
ITU-T RECMN E.110 Organization of the International Telephone Network - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 1 pp
ITU-T RECMN M.729 Organization of the Maintenance of International Public Switched Telephone Circuits Used for Data Transmission - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 2 pp
ITU-T RECMN R.71 Organization of the Maintenance of International Telegraph Circuits - Telegraph Transmission (Study Group IX) 2 pp
ITU-T RECMN V.51 Organization of the Maintenance of International Telephone-Type Circuits Used for Data Transmission - Data Communication over the Telephone Network (Study Group XVII) 1 pp
ITU-T RECMN N.55 Organization, Responsibilities and Functions of Control and Subcontrol International Television Centres and Control and Subcontrol Stations for International Television Connections, Links, Circuits and Circuits Sections Maintenance of International Sound-Programme and TV Transmission Circuits (Study Group IV) 11 pp
ITU-T RECMN N.55 Organization, Responsibilities and Functions of Control and Sub-Control ITCs and Control and Sub-Control Stations for International Television Connections, Links, Circuits and Circuit Sections - Maintenance of International Sound-Programme and Television Transmission Circuits (Study Group IV) 6 pp
ITU-R OPINION 16-3 Organizations Qualified to Set Standards on Sound and Television Recording Study Group 11
ITU-R OPINION 16-3 Organizations Qualified to Set Standards on Sound and Television Recording Study Group 11
ITU-T RECMN X.291 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for CCITT Applications - Abstract Test Suite Specification (Study Group VII) 48 pp
ITU-T RECMN X.290 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for CCITT Applications - Data Communication Networks - Open Systems Interconnection (OSI) Protocol Specifications, Conformance Testing (Study Group VII) 113 pp
ITU-T RECMN X.290 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for CCITT Applications - General Concepts (Study Group VII) 57 pp
ITU-T RECMN X.294 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for CCITT Applications - Requirements on Test Laboratories and Clients for the Conformance Assessment Process (Study Group VII) 34 pp
ITU-T RECMN X.293 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for CCITT Applications - Test Realization (Study Group VII) 16 pp
ITU-T RECMN X.292 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for CCITT Applications - The Tree and Tabular Combined Notation (TTCN) - Data Communication Networks Study Group XII; 217 pp
ITU-T RECMN X.291 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for ITU-T Applications - Abstract Test Suite Specification - Data Networks and Open System Communications - Open Systems Interconnection - Conformance Testing (Study Group 7) 48 pp
ITU-T RECMN X.290 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for ITU-T Applications - General Concepts - Data Networks and Open System Communications Open Systems Interconnection - Conformance Testing (Study Group 7) 62 pp
ITU-T RECMN X.296 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for ITU-T Applications - Implementation Conformance Statements - Data Networks and Open System Communications Public Data Networks - Interfaces (Study Group 7) 65 pp
ITU-T RECMN X.295 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for ITU-T Applications - Protocol Profile Test Specification - Data Networks and Open System Communications - Open Systems Interconnection - Conformance Testing (Study Group 7) 24 pp
ITU-T RECMN X.294 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for ITU-T Applications - Requirements on Test Laboratories and Clients for the Conformance Assessment Process - Data Networks and Open System Communications Open Systems Interconnection - Conformance Testing Study Group 7; 45 pp
ITU-T RECMN X.293 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for ITU-T Applications - Test Realization - Data Networks and Open System Communications - Open Systems Interconnection - Conformance Testing (Study Group 7) 22 pp
ITU-T RECMN X.292 OSI Conformance Testing Methodology and Framework for Protocol Recommendations for ITU-T Applications - The Tree and Tabular Combined Notation (TTCN) - Series X: Data Networks and Open System Communications Open System Interconnection - Conformance Testing Study Group 7; 271 pp
ITU-T RECMN I.255. 5 Outgoing Call Barring (Study Group I) 9 pp
ITU-T RECMN Z.316 Output Language Syntax Specification - Man-Machine Language (MML) (Study Group X) 9 pp
ITU-T RECMN L.19 Outside Plant Copper Networks for ISDN Services - Series L: Construction, Installation and Protection of Cables and Other Elements of Outside Plant Study Group 6; 8 pp
ITU-T HDBK OPT Outside Plant Technologies for Public Networks
ITU-T HDBK OPT Outside Plant Technologies for Public Networks
ITU-T RECMN E.541 Overall Grade of Service for International Connections (Subscriber-to-Subscriber) - Telephone Network and ISDN - Quality of Service, Network Management and Traffic Engineering Study Group II; 3 pp
ITU-T RECMN E.540 Overall Grade of Service of the International Part of an International Connection - Telephone Network and ISDN - Quality of Service, Network Management and Traffic Engineering (Study Group II) 1 pp
ITU-T RECMN G.221 Overall Recommendations Relating to Carrier-Transmission Systems - International Analogue Carrier Systems (Study Group XV) 2 pp
ITU-R RECMN M.548 Overall Transmission Characteristics of Telephone Circuits in the Maritime Mobile-Satellite Service - Section 8I - Technical and Operating Characteristics of Mobile Satellite Services
ITU-T RECMN Q.12 Overflow - Alternative Routing - Rerouting - Automatic Repeat Attempt - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements (Study Group XI) 1 pp
ITU-T RECMN E.524 Overflow Approximations for Non-Random Inputs - Series E: Overall Network Operation, Telephone Service, Service Operation and Human Factors Quality of Service, Network Management and Traffic Engineering - Traffic Engineering - Determination of the Number of Circuits in Automatic and Semi-Automatic Operation Study Group 2; 18 pp
ITU-T RECMN E.524 Overflow Approximations for Non-Random Inputs - Telephone Network and ISDN - Quality of Service, Network Management and Traffic Engineering (Study Group II) 9 pp
ITU-T RECMN E.524 (REV 1) Overflow Approximations for Non-Random Inputs Study Group II; 14 pp
ITU-T RECMN G.995.1 Overview of Digital Subscriber Line (DSL) Recommendations - Series G: Transmission Systems and Media, Digital Systems and Networks - Digital Transmission Systems - Digital Sections and Digital Line System - Access Networks Study Group 15; 29 pp
ITU-T RECMN Q.68 Overview of Methodology for Developing Management Services - General Recommendations on Telephone Switching and Signalling Functions and Information Flows for Services in the ISDN (Study Group XI) 7 pp
ITU-T RECMN I.414 Overview of Recommendations on Layer 1 for ISDN and B-ISDN Customer Accesses - Integrated Services Digital Network (ISDN); ISDN User-Network Interfaces (Study Group XVIII) 9 pp
ITU-T RECMN I.414 Overview of Recommendations on Layer 1 for ISDN and B-ISDN Customer Accesses - Series I: Integrated Services Digital Network ISDN User-Network Interfaces Study Group 13; 20pp
ITU-T RECMN Q.750 Overview of Signalling System No. 7 Management - Specifications of Signalling System No. 7 Signalling System No. 7 Management (Study Group XI) 20 pp
ITU-T RECMN Q.750 Overview of Signalling System No.7 Management - Series Q: Switching and Signalling Specifications of Signalling System No.7 - Signalling System No.7 Management Study Group 11; 26 pp
ITU-T RECMN M.3000 Overview of TMN Recommendations - Maintenance Telecommunications Management Network (Study Group 4) 19 pp
ITU-T RECMN M.3000 Overview of TMN Recommendations Series M: TMN and Network Maintenance: International Transmission Systems, Telephone Circuits, Telegraphy, Facsimile and Leased Circuits Telecommunications Management Network Study Group 4
ITU-T RECMN K.22 Overvoltage Resistibility of Equipment Connected to an ISDN T/S Bus - Protection Against Interference (Study Group 5) 8 pp
ITU-T RECMN K.22 Overvoltage Resistibility of Equipment Connected to an ISDN T/S Bus - Protection Against Interference Study Group V; 4 pp
ITU-T RECMN X.482 P1 Protocol - Protocol Implementation Conformance Statement (PICS) Proforma - Data Communication Networks (Study Group VII) 45 pp
ITU-T RECMN X.481 P2 Protocol: Protocol Implementation Conformance Statement (PICS) Proforma - Data Communication Networks (Study Group VII) 37 pp
ITU-T RECMN X.483 P3 Protocol - Protocol Implementation Conformance Statement (PICS) Proforma - Data Communication Networks (Study Group VII) 41 pp Study Group 7; 41 pp
ITU-T RECMN X.484 P7 Protocol - Protocol Implementation Conformance Statement (PICS) Proforma - Data Communication Networks (Study Group VII) 47 pp
ITU-T RECMN X.3 Packet Assembly/Disassembly Facility (Pad) in a Public Data Network - Public Data Networks: Services and Facilities (Study Group VII) 25 pp
ITU-T RECMN X.3 Packet Assembly/Disassembly Facility (PAD) in a Public Data Network Series X: Data Networks and Open System Communications Public Data Networks - Services and Facilities Syudy Group 7; 28pp
ITU-T RECMN H.323 ANNEX F Packet Based Multimedia Communications Systems - Annex F: Simple Endpoint Types - Series H: Audiovisual and Multimedia Systems - Infrastructure of Audiovisual Services - Systems and Terminal Equipment for Audiovisual Services Study Group 16; 21 pp
ITU-T RECMN G.765 Packet Circuit Multiplication Equipment (Study Group XV) 113 pp
ITU-T RECMN T.104 Packet Mode Access for Syntax-Based Videotex Via PSTN - Telematic Services Terminal Equipments and Protocols for Telematic Services (Study Group VIII) 17 pp
ITU-T RECMN H.323 ANNEX D Packet-Based Multimedia Communications Systems - Annex D: Real-time Facsimile Over H.323 Systems - Series H: Audiovisual and Multimedia Systems - Infrastructure of Audiovisual Services - Systems and Terminal Equipment for Audiovisual Services Study Group 16; 11 pp
ITU-T RECMN H.323 ANNEX E Packet-Based Multimedia Communications Systems - Annex E: Framework and Wire-Protocol for Multiplexed Call Signalling Transport - Series H: Audiovisual and Multimedia Systems - Infrastructure of Audiovisual Services - Systems and Terminal Equipment for Audiovisual Services Study Group 16; 24 pp
ITU-T RECMN H.323 Packet-Based Multimedia Communications Systems - Series H: Audiovisual and Multimedia Systems - Infrastructure of Audiovisual Services - Systems and Terminal Equipment for Audiovisual Services Study Group 16; 129 pp
ITU-T RECMN H.323 ANNEX G Packet-Based Multimedia Communications Systems Annex G: Text Conversation and Text SET - Series H: Audiovisual and Multimedia Systems Infrastructure of Audiovisual Services - Systems and Terminal Equipment for Audiovisual Services Study Group 16; 13 pp
ITU-T RECMN G.764 APPENDIX I Packetization Guide - General Aspects of Digital Transmission Systems (Study Group 15) 21 pp
ITU-T RECMN I.232 Packet-Mode Bearer Services Categories - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 5 pp
ITU-T RECMN X.75 CORR.1 Packet-Switched Signalling System between Public Networks Providing Data Transmission Services - Corrigendum 1 - Series X: Data Networks and Open System Communications - Public Data Networks - Transmission, Signalling and Switching Study Group 7; 6 pp
ITU-T RECMN X.75 Packet-Switched Signalling System between Public Networks Providing Data Transmission Services - Data Communication Networks - Transmission, Signalling and Switching, Network Aspects, Maintenance and Administrative Arrangements (Study Group VII) 95 pp
ITU-T RECMN X.75 Packet-Switched Signalling System between Public Networks Providing Data Transmission Services - Series X: Data Networks and Open System Communication Public Data Networks - Transmission, Signalling and Switching Study Group 7; 130 pp
ITU-T RECMN X.75 (REV 1) Packet-Switched Signalling System between Public Networks Providing Data Transmission Services Study Group VII; 109 pp
ITU-T RECMN E.127 Pages in the Telephone Directory Intended for Foreign Visitors - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 2 pp
ITU-T RECMN V.20 Parallel 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
ITU-T RECMN I.515 Parameter Exchange for ISDN Interworking - Integrated Services Digital Network (ISDN) - Internetwork Interfaces and Maintenance Principles (Study Group XVIII) 17 pp
ITU-T RECMN I.515 (REV 1) Parameter Exchange for ISDN Interworking (Study Group XVIII) 18 pp
ITU-R RECMN BT.709-2 Parameter Values for the HDTV Standards for Production and International Programme Exchange
ITU-R RECMN BT.709-3 Parameter Values for the HDTV Standards for Production and International Programme Exchange
ITU-R RECMN BT.709-4 Parameter Values for the HDTV Standards for Production and International Programme Exchange
ITU-T RECMN G.911 Parameters and Calculation Methodologies for Reliability and Availability of Fibre Optic Systems - Digital Sections and Digital Line Systems (Study Group XV) 33 pp
ITU-T RECMN G.911 Parameters and Calculation Methodologies for Reliability and Availability of Fibre Optic Systems - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Sections and Digital Line System - Parameters for Optical Fibre Cable Systems Study Group 15; 39 pp
ITU-R RECMN BT.797-1 Parameters for 4:3 Enhanced Television Systems That Are NTSC- Compatible
ITU-R RECMN BT.796 Parameters for Enhanced Compatible Coding Systems Based on 625-Line PAL and SECAM Television Systems
ITU-R RECMN BR.1384 Parameters for International Exchange of Multi-Channel Sound Recordings
ITU-R RECMN BT.797 Parameters for Wide Aspect and 4:3 Enhanced Television Systems That Are NTSC-Compatible
ITU-T RECMN D.43 Partial and Total Refund of Charges in the International Public Telegram Service - General Tariff Principles - Charging and Accounting in International Telecommunications Services (Study Group III) 4 pp
ITU-R RECMN BO.793 Partitioning of Noise between Feeder Links for the Broadcasting-Satellite Service (BSS) and BSS Down Links
ITU-R RECMN BO.793 Partitioning of Noise between Feeder Links for the Broadcasting-Satellite Service (BSS) and BSS Down Links
ITU-T RECMN Q.316 PCM Line Signal Receiver - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
ITU-T RECMN Q.315 PCM Line Signal Sender (Transmitter) - Specifications of Signalling Systems R1 and R2 (Study Group XI) 2 pp
ITU-T RECMN Q.314 PCM Line Signalling Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
ITU-T RECMN G.981 PDH Optical Line Systems for the Local Network - Digital Sections and Digital Line Systems (Study Group 15) 12 pp
ITU-T RECMN M.2120 PDH Path, Section and Transmission System and SDH Path and Multiplex Section Fault Detection and Localization Procedures - Series M: TMN and Network Maintenance: International Transmission Systems, Telephone Circuits, Telegraphy, Facsimile and Leased Circuits - International Transport Network Study Group 4; 17 pp
ITU-T RECMN M.1340 Performance Allocations and Limits for International Data Transmission Links and Systems - Maintenance: International Data Transmission Systems (Study Group IV) 11 pp
ITU-T RECMN M.1340 Performance Allocations and Limits for International Data Transmission Links and Systems - Series M: Maintenance: International Transmission Systems, Telephone Circuits, Telegraphy, Facsimile and Leased Circuits; International Data Transmission Systems Study Group 4; 24 pp
ITU-T RECMN R.118 Performance and Availability Monitoring in Regenerative TDM - Telegraphy Telegraph Transmission (Study Group IX) 3 pp
ITU-R RECMN SA.1166 Performance and Interference Criteria for Active Spaceborne Sensors
ITU-R RECMN SA.1166-1 Performance and Interference Criteria for Active Spaceborne Sensors
ITU-R RECMN SA.1166-2 Performance and Interference Criteria for Active Spaceborne Sensors
ITU-R RECMN M.1079-1 Performance and Quality of Service Requirements for International Mobile Telecommunications-2000 (IMT-2000)
ITU-T RECMN J.22 Performance 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
ITU-T RECMN J.21 Performance Characteristics of 15 kHz Type Sound-Programme Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 8 pp
ITU-T RECMN J.21 Performance Characteristics of 15 kHz-Type Sound-Programme Circuits - Circuits for High Quality Monophonic and Stereophonic Transmissions - Television and Sound Transmission (Study Group 9) 12 pp
ITU-R RECMN 505-4 Performance Characteristics of 15 kHz-Type Sound-Programme Circuits Circuits for High Quality Monophonic and Stereophonic Transmissions - Section CMTT C - Transmission Standards and Performance Objectives for Sound-Programme Channels
ITU-T RECMN J.23 Performance Characteristics of 7 kHz Type (Narrow-Bandwidth) Sound-Programme Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 6 pp
ITU-R RECMN 503-4 Performance Characteristics of 7 kHz-Type (Narrow-Bandwidth) Sound-Programme Circuits Circuits for Medium Quality Monophonic Transmission - Section CMTT C - Transmission Standards and Performance Objectives for Sound-Programme Channels
ITU-T RECMN G.713 Performance 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
ITU-T RECMN G.712 Performance Characteristics of PCM Channels between 4-Wire Interfaces at Voice Frequencies - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 10 pp
ITU-R RECMN SA.1159-2 Performance Criteria for Data Dissemination and Direct Data Readout Systems in the Earth Exploration-Satellite Service and Meteorological-Satellite Service Using Satellites in Geostationary Orbit
ITU-R RECMN SA.1159-1 Performance Criteria for Data Dissemination and Direct Data Readout Systems in the Earth Exploration-Satellite Service and Meteorological-Satellite Services Using Satellites in Geostationary Orbit
ITU-R RECMN SA.1159 Performance Criteria for Data Dissemination and Direct Data Readout Systems in the Meteorological-Satellite Service Using Satellites in Geostationary Orbit
ITU-R RECMN SA.1028 Performance Criteria for Satellite Passive Remote Sensing
ITU-R RECMN SA.1028-1 Performance Criteria for Satellite Passive Remote Sensing
ITU-R RECMN SA.1025 Performance Criteria for Space-to-Earth Data Transmission Systems Operating in the Earth Exploration-Satellite and Meteorological-Satellite Services Using Satellites in Low-Earth Orbit
ITU-R RECMN SA.1025-1 Performance Criteria for Space-to-Earth Data Transmission Systems Operating in the Earth Exploration-Satellite and Meteorological-Satellite Services Using Satellites in Low-Earth Orbit
ITU-R RECMN SA.1025-2 Performance Criteria for Space-To-Earth Data Transmission Systems Operating in the Earth Exploration-Satellite and Meteorological-Satellite Services Using Satellites in Low-Earth Orbit
ITU-R RECMN SA.1025-3 Performance Criteria for Space-To-Earth Data Transmission Systems Operating in the Earth Exploration-Satellite and Meteorological-Satellite Services Using Satellites in Low-Earth Orbit
ITU-R RECMN S.1420 Performance for Broadband Integrated Services Digital Network Asynchronous Transfer Mode Via Satellite
ITU-T RECMN X.145 Performance for Data Networks Providing International Frame Relay SVC Service - Series X: Data Networks and Open System Communication Public Data Networks - Network Aspects Study Group 7; 24 pp
ITU-R RECMN SM.1235 Performance Functions for Digital Modulation Systems in an Interference Environment
ITU-T RECMN J.141 Performance Indicators for Data Services Delivered over Digital Cable Television Systems - Series J: Transmission of Television, Sound Programme and Other Multimedia Signals - Measurement of the Quality of Service Study Group 9; 10 pp
ITU-T RECMN M.550 Performance 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
ITU-T RECMN M.2100 Performance Limits for Bringing-into-Service and Maintenance of International Digital Paths, Sections and Transmission Systems - Maintenance: International Transport Network (Study Group IV) 35 pp
ITU-T RECMN M.2100 Performance Limits for Bringing-into-Service and Maintenance of International PDH Paths, Sections and Transmission Systems - Maintenance - International Transport Network (Study Group 4) 61 pp
ITU-T RECMN M.2101.1 Performance Limits for Bringing-Into-Service and Maintenance of International SDH Paths and Multiplex Sections - Series M: TMN and Network Maintenance: International Transmission Systems, Telephone Circuits, Telegraphy, Facsimile and Leased Circuits International Transport Network Study Group 4; 45 pp
ITU-T RECMN X.146 Performance Objectives and Quality of Service Classes Applicable to Frame Relay - Series X: Data Networks and Open System Communications Public Data Networks - Network Aspects Study Group 7; 19 pp; Covering Note July 1999
ITU-R RECMN M.1476 Performance Objectives for Narrow-Band Digital Channels Using Geostationary Satellites to Serve Transportable and Mobile Earth Stations in the 1-3 GHz Range Forming Part of the Integrated Services Digital Network
ITU-R RECMN M.1230 Performance Objectives for Space-to-Earth Links Operating in the Mobile-Satellite Service with Non-Geostationary Satellites in the 137-138 MHz Bands
ITU-R RECMN M.1230 Performance Objectives for Space-to-Earth Links Operating in the Mobile-Satellite Service with Non-Geostationary Satellites in the 137-138 MHz Bands
ITU-R RECMN M.1229 Performance Objectives for the Digital Aeronautical Mobile-Satellite Service (AMSS) Channels Operating in the Bands 1 525 to 1 559 MHz and 1 626.5 to 1 660.5 MHz Not Forming Part of the ISDN
ITU-R RECMN M.1229 Performance Objectives for the Digital Aeronautical Mobile-Satellite Service (AMSS) Channels Operating in the Bands 1 525 to 1 559 MHz and 1 626.5 to 1 660.5 MHz Not Forming Part of the ISDN
ITU-T RECMN Q.766 Performance Objectives in the Integrated Services Digital Network Application - Specifications of Signalling System No. 7 (Study Group XI) 4 pp
ITU-T RECMN Q.766 Performance Objectives in the Integrated Services Digital Network Application - Specifications of Signalling System No. 7 ISDN User Part (Study Group XI) 7 pp
ITU-R REPORT 919-2 Performance of a Low-Altitude, Polar-Orbiting Satellite EPIRB System Question 90/8
ITU-R REPORT 919-2 Performance of a Low-Altitude, Polar-Orbiting Satellite EPIRB System Question 90/8
ITU-T RECMN M.34 Performance on Monitoring on International Transmission Systems and Equipment - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 4 pp
ITU-T RECMN L.33 Periodic Control of Fire Extinction Devices in Telecommunication Buildings - Series L: Construction, Installation and Protection of Cables and Other Elements of Outside Plant Study Group 6; 11 pp
ITU-T RECMN M.660 Periodical in-Station Tests of Echo Suppressors Complying with Recommendations G.161 and G.164 - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 5 pp
ITU-T RECMN M.610 Periodicity of Maintenance Measurements on Circuits - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 3 pp
ITU-T RECMN R.72 Periodicity of Maintenance Measurements to Be Carried out on the Channels of International VFT Systems - Telegraph Transmission (Study Group IX) 1 pp
ITU-T RECMN M.820 Periodicity of Routine Tests on International Voice-Frequency Telegraph Links - 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) 2 pp
ITU-T RECMN G.441 Permissible Circuit Noise on Frequency-Division Multiplex Radio-Relay Systems - International Analogue Carrier Systems (Study Group XV) 1 pp
ITU-R RECMN M.1234 Permissible Level of Interference in a Digital Channel of a Geostationary Satellite Network in the Aeronautical Mobile-Satellite (R) Service (AMS(R)S) in the Bands 1 545 to 1 555 MHz and 1 646.5 to 1 656.5 MHz and Its Associated Feeder Links Caused by Other Networks of This Service and the Fixed-Satellite Service
ITU-R RECMN M.1234 Permissible Level of Interference in a Digital Channel of a Geostationary Satellite Network in the Aeronautical Mobile-Satellite (R) Service (AMS(R)S) in the Bands 1 545 to 1 555 MHz and 1 646.5 to 1 656.5 MHz and Its Associated Feeder Links Caused by Other Networks of This Service and the Fixed-Satellite Service
ITU-R RECMN M.1183 Permissible Levels of Interference in a Digital Channel of a Geostationary Network in Mobile-Satellite Service in 1-3 GHz Caused by Other Networks of This Service and Fixed-Satellite Service
ITU-T RECMN R.53 Permissible Limits for the Degree of Distortion on an International 50-Baud/120-Hz VFT Channel (Frequency and Amplitude Modulation) - Telegraph Transmission (Study Group IX) 2 pp
ITU-R RECMN F.555-1 Permissible Noise in the Hypothetical Reference Circuit of Radio-Relay Systems for Television
ITU-R RECMN F.555-1 Permissible Noise in the Hypothetical Reference Circuit of Radio-Relay Systems for Television
ITU-R RECMN F.555-1 Permissible Noise in the Hypothetical Reference Circuit of Radio-Relay Systems for Television
ITU-R RECMN F.555 Permissible Noise in the Hypothetical Reference Circuit of Radio-Relay Systems for Television - Section 9A - Performance Objectives, Propagation and Interference Effects
ITU-R RECMN F.555 Permissible Noise in the Hypothetical Reference Circuit of Radio-Relay Systems for Television - Section 9A - Performance Objectives, Propagation and Interference Effects
ITU-R RECMN F.555 Permissible Noise in the Hypothetical Reference Circuit of Radio-Relay Systems for Television - Section 9A - Performance Objectives, Propagation and Interference Effects
ITU-T RECMN O.95 Phase and Amplitude Hit Counters for Telephone-Type Circuits - Specifications for Measuring Equipment Study Group IV; 4 pp
ITU-R RECMN BT.266 Phase Correction of Television Transmitters Necessitated by the Use of Vestigial-Sideband Transmission - Section 11E - Planning of Television Networks, Protection Ratios Television Receivers and Antennas
ITU-T RECMN O.91 Phase Jitter Measuring Equipment for Telephone-Type Circuits - Specifications for Measuring Equipment Study Group IV; 4 pp
ITU-R RECMN BT.266-1 Phase Pre-Correction of Television Transmitters Section 11E - Planning of Television Networks, Protection Ratios Television Receivers and Antennas
ITU-T RECMN T.15 Phototelegraph Transmission over Combined Radio and Metallic Circuits - Terminal Equipment and Protocols for Telematic Services Study Group VIII; 3 pp; Cancelled
ITU-T RECMN T.11 Phototelegraph Transmissions on Telephone-Type Circuit - Terminal Equipment and Protocols for Telematic Services Study Group VIII; 4 pp; Cancelled
ITU-T RECMN H.41 Phototelegraph Transmissions on Telephone-Type Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp
ITU-T RECMN G.997.1 Physical Layer Management for Digital Subscriber Line (DSL) Transceivers - Series G: Transmission Systems and Media, Digital Systems and Networks - Digital Transmission Systems - Digital Sections and Digital Line System - Access Networks Study Group 15; 50 pp
ITU-T RECMN Q.1225 Physical Plane for Intelligent Network Capability Set 2 - Series Q: Switching and Signalling Intelligent Network Study Group 11; 16 pp
ITU-T RECMN Q.1215 Physical Plane for Intelligent Network CS-1 - Intelligent Network (Study Group 11) 12 pp
ITU-T RECMN Q.1215 Physical Plane for Intelligent Network CS-1 (Study Group XI) 12 pp
ITU-T RECMN X.211 Physical Service Definition of Open Systems Interconnection for CCITT Applications - Data Communication Networks - Open Systems Interconnection (OSI) Model and Notation, Service Definition (Study Group VII) 17 pp
ITU-T RECMN X.211 Physical Service Definition of Open Systems Interconnection for CCITT Applications - Data Communication Networks - Open Systems Interconnection (OSI) Model and Notation, Service Definition Study Group VII; 19 pp; Corrigendum-Oct 1992
ITU-T RECMN G.703 Physical/Electrical Characteristics of Hierarchical Digital Interfaces - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 31 pp
ITU-T RECMN G.703 Physical/Electrical Characteristics of Hierarchical Digital Interfaces - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Terminal Equipments - General Study Group 15; 54 pp
ITU-T RECMN G.703 Physical/Electrical Characteristics of Hierarchical Digital Interfaces (Study Group XVIII) 42 pp
ITU-T RECMN Q.931 BIS Pics and Abstract Test Suite for ISDN DSS 1 Layer 3 - Circuit Mode, Basic Call Control Conformance Testing - Digital Subscriber Signalling System No.1 Study Group 11; 9 pp
ITU-T RECMN E.121 Pictograms and Symbols to Assist Users of the Telephone Service - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 11 pp
ITU-T RECMN E.121 Pictograms, Symbols and Icons to Assist Users of the Telephone Service - Series E: Telephone Network and ISDN; Operation, Numbering, Routing and Mobile Service - International Operation - General Provisions Concerning Users Study Group 1; 26 pp
ITU-T RECMN E.121 Pictograms, Symbols and Icons to Assist Users of the Telephone Service - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group 1) 16 pp
ITU-R RECMN F.454-1 Pilot Carrier Level for HF Single-Sideband and Independent-Sideband Reduced-Carrier Systems - Section 3Aa - Technical Characteristics
ITU-T RECMN R.78 Pilot Channel for AMVFT Systems - Telegraph Transmission (Study Group IX) 1 pp
ITU-T RECMN G.241 Pilots on Groups, Supergroups, Etc. - International Analogue Carrier Systems (Study Group XV) 6 pp
ITU-T RECMN F.4 Plain and Secret Language - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 2 pp
ITU-T RECMN F.69 Plan for Telex Destination Codes - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 7 pp
ITU-R PLAN Plan of Volumes I to XV, XVIIth Plenary Assembly of the CCIR
ITU-R RECMN BT.1368-1 Planning Criteria for Digital Terrestrial Television Services in the VHF/UHF Bands
ITU-R RECMN BT.1368-2 Planning Criteria for Digital Terrestrial Television Services in the VHF/UHF Bands
ITU-R RECMN BT.1368 Planning Criteria for Digital Terrestrial Television Services in the VHF/UHF Television Bands
ITU-T RECMN G.176 Planning Guidelines for the Integration of ATM Technology into Networks Supporting Voiceband Services - Series G: Transmission Systems and Media, Digital Systems and Networks International Telephone Connections and Circuits - Transmission Plan Aspects of Special Circuits and Connections Using the International Telephone Connection Network Study Group 12; 16 pp
ITU-R RECMN BT.1123 Planning Methods for 625-Line Terrestrial Television in VHF/UHF Bands
ITU-T RECMN SERIES G SUPP 29 Planning of Mixed Ananlogue - Digital Circuits (Chains, Connections) - Transmission Systems and Media - General Characteristics of International Telephone Connections and International Telephone Circuits Supplement 29
ITU-R RECMN BS.412-6 Planning Standards for FM Sound Broadcasting at VHF
ITU-R RECMN BS.412-7 Planning Standards for FM Sound Broadcasting at VHF
ITU-R RECMN BS.412-8 Planning Standards for FM Sound Broadcasting at VHF
ITU-R RECMN BS.412-5 Planning Standards for FM Sound Broadcasting at VHF - Section 10B - Frequency-Modulation Sound Broadcasting in Bands 8 (VHF) and 9 (UHF)
ITU-R RECMN BS.412-9 Planning Standards for Terrestrial FM Sound Broadcasting at VHF
ITU-R RECMN S.1064-1 Pointing Accuracy as a Design Objective for Earthward Antennas on Board Geostationary Satellites in the Fixed-Satellite Service
ITU-R RECMN S.1064 Pointing Accuracy as a Design Objective for Earthward Antennas on Board Geostationary Satellites in the FSS
ITU-R RECMN F.755-2 Point-to-Multipoint Systems in the Fixed Service
ITU-T RECMN F.140 Point-to-Multipoint Telecommunication Service Via Satellite - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 4 pp
ITU-T RECMN F.140 (REV 1) Point-to-Multipoint Telecommunication Service Via Satellite (Study Group I) 7 pp
ITU-T RECMN X.134 Portion Boundaries and Packet Layer Reference Events: Basis for Defining Packet-Switched Performance Parameters - Data Communication Networks - Transmission, Signalling and Switching, Network Aspects, Maintenance and Administrative Arrangements (Study Group VII) 11 pp
ITU-T RECMN X.134 Portion Boundaries and Packet Layer Reference Events: Basis for Defining Packet-Switched Performance Parameters - Series X: Data Networks and Open System Communication Pulic Data Networks - Network Aspects Study Group 7; 15 pp
ITU-T RECMN X.134 Portion Boundaries and Packet Layer Reference Events: Basis for Defining Packet-Switched Performance Parameters Study Group VII; 12 pp
ITU-T RECMN K.30 Positive Temperature Coefficient (PTC) Thermistors - Protection Against Interference (Study Group V) 10 pp
ITU-R RECMN SF.1008-1 Possible Use by Space Stations in the Fixed-Satellite Service of Orbits Slightly Inclined with Respect to the Geostationary-Satellite Orbit in Bands Shared with the Fixed Service
ITU-R RECMN SA.1273 Power Flux-Density Levels from the Space Research, Space Operation and Earth Exploration-Satellite Services at the Surface of the Earth Required to Protect the Fixed Service in the Bands 2 025-2 110 MHz and 2 200-2 290 MHz
ITU-R RECMN SF.674 Power Flux-Density Values to Facilitate the Application of Article 14 for FSS in Relation to the Fixed-Satellite Service in the 11.7-12.2 GHz Band in Region 2 - Section 4/9A - Sharing Conditions
ITU-R RECMN SF.674-1 Power Flux-Density Values to Facilitate the Application of Article 14 of the Radio Regulations for FSS in Relation to the Fixed-Satellite Service in the 11.7-12.2 GHz Band in Region 2
ITU-R RECMN S.1065 Power Flux-Density Values to Facilitate the Application of RR Article 14 for the FSS in Region 2 in Relation to the BSS in the Band 11.7-12.2 GHz
ITU-T RECMN V.2 Power Levels for Data Transmission over Telephone Lines - Data Communication over the Telephone Network (Study Group XVII) 2 pp
ITU-T RECMN H.51 Power Levels for Data Transmission over Telephone Lines - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals Study Group XV; 1 pp
ITU-T RECMN I.110 Preamble and General Structure of the I- Series Recommendations for the Integrated Services Digital Network (ISDN) - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities Study Group XVIII; 7 pp; Cancelled
ITU-T RECMN K.6 Precautions at Crossings - Protection Against Interference (Study Group V) 2 pp
ITU-R RECMN TF.374-5 Precise Frequency and Time-Signal Transmissions
ITU-R RECMN M.1467 Prediction of A2 and Navtex Ranges and Protection of A2 Global Maritime Distress and Safety System Distress Watch Channel
ITU-R RECMN P.684-2 Prediction of Field Strength at Frequencies Below About 150 kHz
ITU-R RECMN P.684-1 Prediction of Field Strength at Frequencies Below About 150 kHz
ITU-R RECMN PI.684-1 Prediction of Field Strength at Frequencies Below About 500 khz
ITU-R RECMN PI.684 Prediction of Field Strength at Frequencies Below About 500 khz - Section 6D - Ionospheric Propagation Prediction at Frequencies Below About 1.6 MHz
ITU-R RECMN P.1146 Prediction of Field Strength for Land Mobile and Terrestrial Broadcasting in Services in the Frequency Range from 1 to 3 GHz
ITU-R RECMN P.1147 Prediction of Sky-Wave Field Strength at Frequencies between About 150 and 1 700 kHz
ITU-R RECMN P.1147-1 Prediction of Sky-Wave Field Strength at Frequencies between About 150 and 1700 kHz
ITU-R RECMN PI.435-6 Prediction of Sky-Wave Field Strength between 150 and 1600 kHz - Section 6D - Ionospheric Propagation Prediction at Frequencies Below About 1.6 MHz
ITU-R RECMN P.452-10 Prediction Procedure for the Evaluation of Microwave Interference between Stations on the Surface of the Earth at Frequencies Above About 0.7 GHz
ITU-R RECMN P.452-8 Prediction Procedure for the Evaluation of Microwave Interference between Stations on the Surface of the Earth at Frequencies Above About 0.7 GHz
ITU-R RECMN P.452-8 Prediction Procedure for the Evaluation of Microwave Interference between Stations on the Surface of the Earth at Frequencies Above About 0.7 GHz
ITU-R RECMN PN.452-5 Prediction Procedure for the Evaluation of Microwave Interference between Stations on the Surface of the Earth at Frequencies Above About 0.7 GHz
ITU-R RECMN PN.452-6 Prediction Procedure for the Evaluation of Microwave Interference between Stations on the Surface of the Earth at Frequencies Above About 0.7 GHz
ITU-R RECMN PN.452-7 Prediction Procedure for the Evaluation of Microwave Interference between Stations on the Surface of the Earth at Frequencies Above About 0.7 GHz
ITU-R RECMN F.275-3 Pre-Emphasis Characteristic for Frequency Modulation Radio-Relay Systems for Telephony Using Frequency-Division Multiplex - Section 9C - Interconnection Characteristics (Baseband and Intermediate Frequency)
ITU-R RECMN F.405-1 Pre-Emphasis Characteristics for Frequency Modulation Radio-Relay Systems for Television - Section 9C - Interconnection Characteristics (Baseband and Intermediate Frequency)
ITU-R RECMN S.464-1 Pre-Emphasis Characteristics for Frequency-Modulation Systems for Frequency-Division Multiplex Telephony in the Fixed- Satellite Service - Section 4C - Earth Station and Baseband Characteristics - Earth Station Antennas - Maintenance of Earth Stations
ITU-R RECMN S.464-2 Pre-Emphasis Characteristics for Frequency-Modulation Systems for Frequency-Division Multiplex Telephony in the Fixed-Satellite Service - Section 4C - Earth Station and Baseband Characteristics - Earth Station Antennas - Maintenance of Earth Stations
ITU-T RECMN J.17 Pre-Emphasis Used on Sound-Programme Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 2 pp
ITU-T RECMN D.606R Preferential Rates in Telecommunication Relations between Countries in Africa - General Tariff Principles - Charging and Accounting in International Telecommunications Services Study Group III; 1 pp
ITU-R RECMN F.444-3 Preferred Characteristics for Multi-Line Switching Arrangements of Analogue Radio-Relay Systems - Section 9D - Maintenance
ITU-R RECMN F.402-2 Preferred Characteristics of a Single Sound Channel Simultaneously Transmitted with a Television Signal on an Analogue Radio-Relay System - Section 9C - Interconnection Characteristics (Baseband and Intermediate Frequency)
ITU-R RECMN F.389-2 Preferred Characteristics of Auxiliary Radio-Relay Systems Operating in the 2, 4, 6 or 11 GHz Bands - Section 9B1 - Radio- Frequency Channel Arrangements
ITU-R RECMN F.1500 Preferred Characteristics of Systems in the Fixed Service Using High Altitude Platforms Operating in the Bands 47.2-47.5 GHz and 47.9-48.2 GHz
ITU-R RECMN 576-1 Preferred Frequencies and Bandwidths for Deep- Space Research - Section 2E - Space Research
ITU-R RECMN SA.364-4 Preferred Frequencies and Bandwidths for Manned and Unmanned Near-Earth Research Satellites - Section 2E - Space Research
ITU-R RECMN SA.364-5 Preferred Frequencies and Bandwidths for Manned and Unmanned Near-Earth Research Satellites - Section 2E - Space Research
ITU-R RECMN SA.577-3 Preferred Frequencies and Necessary Bandwidths for Spaceborne Active Remote Sensing
ITU-R RECMN SA.577-4 Preferred Frequencies and Necessary Bandwidths for Spaceborne Active Remote Sensing
ITU-R RECMN SA.577-5 Preferred Frequencies and Necessary Bandwidths for Spaceborne Active Remote Sensors
ITU-R RECMN SA.1344 Preferred Frequency Bands and Bandwidths for the Transmission of Space VLBI Data
ITU-R RECMN SA.1019 Preferred Frequency Bands and Transmission Directions for Data Relay Satellite Systems
ITU-R RECMN SA.577-2 Preferred Frequency Bands for Active Sensing Measurements - Section 2F - Earth Exploration Satellites
ITU-R RECMN SA.1012 Preferred Frequency Bands for Deep-Space Research in the 1-40 GHz Range
ITU-R RECMN SA.1013 Preferred Frequency Bands for Deep-Space Research in the 40-120 GHz Range
ITU-R RECMN RA.314-8 Preferred Frequency Bands for Radioastronomical Measurements - Section 2G - Radioastronomy and Radar Astronomy
ITU-R RECMN SA.513-1 Preferred Frequency Bands for Spacecraft Transmitters Used as Beacons - Section 2E - Space Research
ITU-R RECMN SA.1017 Preferred Method for Calculating Link Performance in the Space Research Service
ITU-R OPINION 14-7 Preferred Radio-Frequency Channel Arrangements for Radio-Relay Links for International Connections
ITU-R OPINION 14-7 Preferred Radio-Frequency Channel Arrangements for Radio-Relay Links for International Connections
ITU-T RECMN M.1045 Preliminary Exchange of Information for the Provision of International Leased Circuits - 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
ITU-T RECMN M.1045 Preliminary Exchange of Information for the Provision of International Leased Circuits - Maintenance: International Leased Circuits (Study Group IV) 6 pp
ITU-T RECMN M.1045 Preliminary Exchange of Information for the Provision of International Leased Circuits and International Data Transmission Systems - Maintenance: International Leased Circuits (Study Group 4) 10 pp
ITU-T RECMN K.42 Preparation of Emission and Immunity Requirements for Telecommunications Equipment - General Principles - Series K: Protection Against Interference Study Group 5; 12 pp
ITU-R RECMN BS.1285 Pre-Selection Methods for the Subjective Assessment of Small Impairments in Audio Systems
ITU-T RECMN A.15 Presentation of CCITT Texts - Opinions and Resolutions - Recommendations on the Organization and Working Procedures of CCITT (Series A) 9 pp
ITU-T RECMN A.1 Presentation of Contributions Relative to the Study of Questions Assigned to the CCITT - Opinions and Resolutions - Recommendations on the Organization and Working Procedures of CCITT (Series A) 4 pp
ITU-T RECMN A.2 Presentation of Contributions Relative to the Study of Questions Assigned to the ITU-T 13 pp
ITU-T RECMN A.1 Presentation of Contributions Relative to the Study of Questions Assigned to the ITU-T Study Group 12; 4 pp
ITU-T RECMN E.149 Presentation of Routing Data - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 4 pp
ITU-T RECMN X.226 Presentation Protocol Specification for Open Systems Interconnection for CCITT Applications - Data Communication Networks - Open Systems Interconnection (OSI) Protocol Specifications, Conformance Testing (Study Group VII) 68 pp
ITU-T HDBK PWP Preservation of Wooden Poles Carrying Overhead Telecommunication Lines
ITU-T HDBK PWP Preservation of Wooden Poles Carrying Overhead Telecommunication Lines
ITU-T RECMN U.31 Prevention of Connection to Faulty Stations and/or Station Lines in the Gentex Service - Telegraph Switching (Study Group IX) 1 pp
ITU-T RECMN U.6 Prevention of Fraudulent Transit Traffic in the Fully Automatic International Telex Service - Telegraph Switching (Study Group IX) 1 pp
ITU-R RECMN M.218-2 Prevention of Interference to Radio Reception on Board Ships
ITU-R RECMN M.218-2 Prevention of Interference to Radio Reception on Board Ships - Section 8B - Maritime Mobile Service; Telegraphy and Related Subjects
ITU-T RECMN G.731 Primary PCM Multiplex Equipment for Voice Frequencies - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 1 pp
ITU-T RECMN I.421 Primary Rate User-Network Interface - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 1 pp
ITU-T RECMN I.431 Primary Rate User-Network Interface - Layer 1 Specification - Integrated Services Digital Network (ISDN) - ISDN User-Network Interfaces Study Group 18; 42 pp
ITU-T RECMN I.431 Primary Rate User-Network Interface - Layer 1 Specification - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 29 pp
ITU-T RECMN I.431 AMD 1 Primary Rate User-Network Interface - Layer 1 Specification - Series I: Integrated Services Digital Network ISDN User-Network Interfaces - Layer 1 Recommendations Study Group 13; 6 pp
ITU-R RECMN M.1316 Principles and a Methodology for Frequency Shaing in the 1 610.6 - 1 613.8 MHz and 1 660 - 1 660.5 MHz Bands between the Mobile-Satellite Service (Earth-to-Space) and the Radio Astronomy Service
ITU-R RECMN M.1316 Principles and a Methodology for Frequency Shaing in the 1 610.6 - 1 613.8 MHz and 1 660 - 1 660.5 MHz Bands between the Mobile-Satellite Service (Earth-to-Space) and the Radio Astronomy Service
ITU-R HDBK VOL 2 PAE Principles and Approaches on Evolution to IMT-2000/FPLMTS Handbook on Land Mobile (Including Wireless Access) Volume 2
ITU-R HDBK VOL 2 PAE Principles and Approaches on Evolution to IMT-2000/FPLMTS Handbook on Land Mobile (Including Wireless Access) Volume 2
ITU-T RECMN G.861 Principles and Guidelines for the Integration of Satellite and Radio Systems in SDH Transport Networks - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Networks - SDH Network Characteristics Study Group 13; 21 pp
ITU-T RECMN E.190 Principles and Responsibilities for the Management, Assignment and Reclamation of E-Series International Numbering Resources - Series E: Overall Network Operation, Telephone Service, Service Operation and Human Factors Operation, Numbering, Routing and Mobile Services - International Operation - Tones in National Signalling Systems Study Group 2; 11 pp
ITU-T RECMN M.35 Principles Concerning Line-up and Maintenance Limits - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 1 pp
ITU-T RECMN M.3010 ADD 1 Principles for a Telecommunications Management Network - Addendum 1: TMN Conformance and TMN Compliance - Series M: TMN and Network Maintenance: International Transmission Systems, Telephone Circuits, Telegraphy, Facsimile and Leased Circuits - Telecommunications Management Network Study Group 4; 9 pp
ITU-T RECMN M.30 Principles for a Telecommunications Management Network - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 40 pp
ITU-T RECMN M.3010 Principles for a Telecommunications Management Network - Maintenance: Telecommunications Management Network (Study Group IV) 69 pp
ITU-T RECMN M.3010 Principles for a Telecommunications Management Network - Series M: Maintenance: International Transmission Systems, Telephone Circuits, Telegraphy, Facsmile and Leased Circuits; Telecommnications Management Network Study Group 4; 82 pp
ITU-T RECMN M.3610 Principles for Applying the TMN Concept to the Management of B-ISDN - Series M: Maintenance: International Transmission Systems, Telephone Circuits, Telegraphy, Facsimile and Leased Circuits Integrated Services Digital Networks (Study Group 4) 17 pp
ITU-T RECMN D.192 Principles for Charging and Accounting of Service Telecommunications (Study Group III) 4 pp
ITU-T RECMN D.192 (REV 1) Principles for Charging and Accounting of Service Telecommunications (Study Group III) 5 pp
ITU-T RECMN D.280 Principles for Charging and Billing, Accounting and Reimbursements for Universal Personal Telecommunication - Charging and Accounting in International Telecommunication Services (Study Group 3) 18 pp
ITU-T RECMN M.1535 Principles for Maintenance Information to be Exchanged at Customer Contact Point (MICC) - Series M: Maintenance: International Transmission Systems, Telephone Circuits, Telegraphy, Facsimile and Leased Circuits; Designations and Information Exchange Study Group 4; 14 pp
ITU-T RECMN D.3 Principles for the Lease of Analogue International Circuits for Private Service (Study Group III) 5 pp (Replaces Recmn D2 and D3)
ITU-T RECMN M.36 Principles for the Maintenance of ISDN's - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 15 pp
ITU-T RECMN M.3600 Principles for the Management of ISDNs - Maintenance: ISDN (Study Group IV) 23 pp
ITU-T RECMN E.140 Principles for the Operation of International Telephone Services - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 3 pp
ITU-T RECMN M.3620 Principles for the Use of ISDN Test Calls, Systems and Responders - Maintenance: ISDN (Study Group IV) 7 pp
ITU-T RECMN M.32 Principles for Using Alarm Information for Maintenance of International Transmission Systems and Equipment - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 4 pp
ITU-T RECMN P.930 Principles of a Reference Impairment System for Video - Series P: Telephone Transmission Quality; Audiovisual Quality in Multimedia Services Study Group 12; 39 pp
ITU-T RECMN SERIES G SUPP 31 Principles of Determining an Impedance Strategy for the Local Network - Transmission Systems and Media General Characteristics of National Systems Forming Part of International Connections Study Group XII; 11 pp
ITU-T RECMN Q.1201 Principles of Intelligent Network Architecture (Study Group XVIII) 36 pp (Same as Recmn I.312)
ITU-T RECMN I.312 Principles of Intelligent Network Architecture (Study Group XVIII) 36 pp (Same as Recmn Q.1201)
ITU-T RECMN X.150 Principles of Maintenance Testing for Public Data Networks Using Data Terminal Equipment (DTE) and Data Circuit- Terminating Equipment (DCE) Test Loops - Data Communication Networks - Transmission, Signalling and Switching, Network Aspects, Maintenance and Administrative Arrangements (Study Group VII) 7 pp
ITU-T RECMN K.11 Principles of Protection Against Overvoltages and Overcurrents - Protection Against Interference (Study Group V) 14 pp
ITU-T RECMN K.11 Principles of Protection Against Overvoltages and Overcurrents - Protection Against Interference (Study Group V) 9 pp
ITU-T RECMN K.11 Principles of Protection Against Overvoltages and Overcurrents (Study Group V) 14 pp
ITU-T RECMN Q.135 Principles of Rapid Transmission Testing Equipment - Specifications of Signalling Systems Nos. 4 and 5 (Study Group XI) 1 pp
ITU-T RECMN F.111 Principles of Service for Mobile Systems (Study Group I) 5 pp
ITU-T RECMN I.210 Principles of Telecommunication Services Supported by an ISDN and the Means to Describe Them - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 19 pp
ITU-T RECMN I.210 (REV 1) Principles of Telecommunication Services Supported by an ISDN and the Means to Describe Them (Study Group XVIII) 31 pp
ITU-T RECMN G.464 Principles of the Devices Used to Achieve Privacy in Radiotelephone Conversations - International Analogue Carrier Systems Study Group XV; 1 pp; Cancelled
ITU-R RECMN 336-2 Principles of the Devices Used to Achieve Privacy in Radiotelephone Conversations - Section 3B - Radiotelephony
ITU-T RECMN F.850 Principles of Universal Personal Telecommunication (UPT) - Operations and Quality of Service; Universal Personal Telecommunication (UPT) (Study Group I) 5 pp
ITU-T RECMN I.334 Principles Relating ISDN Numbers/Subaddresses to the OSI Reference Model Network Layer Addresses - Integrated Services Digital Network (ISDN) - Overall Network Aspects and Functions, ISDN User-Network Interfaces (Study Group XVIII) 5 pp
ITU-R RECMN SM.1051-2 Priority of Identifying and Eliminating Harmful Interference in the Band 406-406.1 MHz
ITU-R RECMN SM.1051 Priority of Identifying and Eliminating Radio Interference in the Band 406-406.1 MHz
ITU-R RECMN SM.1051-1 Priority of Identifying and Eliminating Radio Interference in the Band 406-406.1 MHz
ITU-T RECMN I.255. 4 Priority Service (Study Group I) 9 pp
ITU-T RECMN D.9 Private Leasing of Transmitters or Receivers - General Tariff Principles - Charging and Accounting in International Telecommunications Services (Study Group III) 1 pp
ITU-T RECMN I.255. 2 Private Numbering Plan - Integrated Services Digital Network (ISDN) - General Structure and Service Capabilities (Study Group XVIII) 4 pp
ITU-R RECMN F.1107 Probabilistic Analysis for Calculating Interference into the Fixed Service from Satellites Occupying the Geostationary Orbit
ITU-R RECMN F.1107 Probabilistic Analysis for Calculating Interference into the Fixed Service from Satellites Occupying the Geostationary Orbit
ITU-R RECMN P.1057-1 Probability Distributions Relevant to Radiowave Propagation Modelling
ITU-R RECMN PN.1057 Probability Distributions Relevant to Radiowave Propagation Modelling
ITU-T RECMN V.252 Procedure for Control of v.70 and h.324 Terminals by a DTE - Series V. Data Communication Over the Telephone Network Study Group 16; 36 pp
ITU-R RECMN F.1095 Procedure for Determining Coordination Area between Radio-Relay Stations of the Fixed Service
ITU-R RECMN S.738 Procedure for Determining If Coordination Is Required between Geostationary-Satellite Networks Sharing the Same Frequency Bands - Section 4D2 - Coordination Methods
ITU-T RECMN V.251 Procedure for DTE-Controlled Call Negotiation Series V: Data Communication over the Telephone Network Control Procedures Study Group 16; 23 pp
ITU-T RECMN T.35 Procedure for the Allocation of CCITT Defined Codes for Non-Standard Facilities (Study Group VIII) 8 pp
ITU-T RECMN T.35 Procedure for the Allocation of CCITT Members' Codes - Terminal Equipment and Protocols for Telematic Services (Study Group VIII) 5 pp
ITU-T RECMN T.35 Procedure for the Allocation of ITU-T Defined Codes for Non-Standard Facilities Series T: Terminals for Telematic Services Study Group 8
ITU-T RECMN X.244 Procedure 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
ITU-R RECMN F.306 Procedure for the International Connection of Radio-Relay Systems with Different Characteristics - Section 9C - Interconnection Characteristics (Baseband and Intermediate Frequency)
ITU-T RECMN X.125 Procedure for The Notification of the Assignment of International Network Identification Codes for Public Frame Relay Data Networks and ATM Networks Numbered Under the E.164 Numbering Plan - Series X: Data Networks and Open System Communications Public Data Networks - Network Aspects Study Group 7; 11 pp
ITU-T RECMN X.42 Procedures and Methods for Accessing a Public Data Network from a DTE Operating under Control of a Generalized Polling Protocol - Series X: Data Networks and Open System Communication Public Data Networks - Interfaces Study Group 7; 32 pp

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