| Software for G Series Recommendations | |
| List of ITU-T G-Series Recommendations in force | |
| [G.100] Recommendation G.100 (03/93) - Definitions used in Recommendations on general characteristics of international telephone connections and circuits | 20 CHF |
| [G.101] Recommendation G.101 (08/96) - The transmission plan | 22 CHF |
| Summary of Recommendation G.101 (08/96) | |
| [G.102] Recommendation G.102 (11/88) - Transmission performance objectives and Recommendations | 20 CHF |
| [G.103] Recommendation G.103 (12/98) - Hypothetical reference connections | 20 CHF |
| Table of Contents and Summary of Recommendation G.103 (12/98) | |
| [G.105] Recommendation G.105 (11/88) - Hypothetical reference connection for crosstalk studies | 20 CHF |
| [G.111] Recommendation G.111 (03/93) - Loudness ratings (LRs) in an international connection | 20 CHF |
| [G.113] Recommendation G.113 (02/96) - Transmission impairments | 20 CHF |
| Summary of Recommendation G.113 (02/96) | |
| [G.113 App.I] Appendix I (12/98) to Recommendation G.113 - Transmission impairments - Appendix I: Provisional planning values for the equipment impairment factor le | 20 CHF |
| [G.114] Recommendation G.114 (02/96) - One-way transmission time | 20 CHF |
| Summary of Recommendation G.114 (02/96) | |
| [G.115] Recommendation G.115 (02/96) - Mean active speech level for announcements and speech synthesis systems | 20 CHF |
| Summary of Recommendation G.115 (02/96) | |
| [G.117] Recommendation G.117 (02/96) - Transmission aspects of unbalance about earth | 20 CHF |
| Summary of Recommendation G.117 (02/96) | |
| [G.120] Recommendation G.120 (12/98) - Transmission characteristics of national networks | 20 CHF |
| Table of Contents and Summary of Recommendation G.120 (12/98) | |
| [G.121] Recommendation G.121 (03/93) - Loudness ratings (LRs) of national systems | 20 CHF |
| [G.122] Recommendation G.122 (03/93) - Influence of national systems on stability and talker echo in international connections | 20 CHF |
| [G.126] Recommendation G.126 (03/93) - Listener echo in telephone networks | 20 CHF |
| [G.131] Recommendation G.131 (08/96) - Control of talker echo | 20 CHF |
| Summary of Recommendation G.131 (08/96) | |
| [G.164] Recommendation G.164 (11/88) - Echo suppressors | 22 CHF |
| [G.165] Recommendation G.165 (03/93) - Echo cancellers | 20 CHF |
| [G.167] Recommendation G.167 (03/93) - Acoustic echo controllers | 20 CHF |
| [G.168] Recommendation G.168 (04/97) - Digital network echo cancellers | 34 CHF |
| Table of Contents of Recommendation G.168 (04/97) | |
| [G.171] Recommendation G.171 (11/88) - Transmission plan aspects of privately operated networks | 20 CHF |
| [G.172] Recommendation G.172 (11/88) - Transmission plan aspects of international conference calls | 20 CHF |
| [G.173] Recommendation G.173 (03/93) - Transmission planning aspects of the speech service in digital public land mobile networks | 20 CHF |
| [G.174] Recommendation G.174 (06/94) - Transmission performance objectives for terrestrial digital wireless systems using portable terminals to access the PSTN | 20 CHF |
| [G.175] Recommendation G.175 (04/97) - Transmission planning for private/public network interconnection of voice traffic | 20 CHF |
| Summary of Recommendation G.175 (04/97) | |
| [G.176] Recommendation G.176 (04/97) - Planning guidelines for the integration of ATM technology into networks supporting voiceband services | 20 CHF |
| Summary of Recommendation G.176 (04/97) | |
| [G.180] Recommendation G.180 (03/93) - Characteristics of N + M type direct transmission restoration systems for use on digital and analogue sections, links or equipment | 20 CHF |
| [G.181] Recommendation G.181 (03/93) - Characteristics of 1 + 1 type restoration systems for use on digital transmission links | 20 CHF |
| [G.191] Recommendation G.191 (11/96) - Software tools for speech and audio coding standardization | 20 CHF |
| Summary of Recommendation G.191 (11/96) | |
| [G.192] Recommendation G.192 (03/96) - A common digital parallel interface for speech standardisation activities | 20 CHF |
| [G.211] Recommendation G.211 (11/88) - Make-up of a carrier link | 20 CHF |
| [G.212] Recommendation G.212 (11/88) - Hypothetical reference circuits for analogue systems | 20 CHF |
| [G.213] Recommendation G.213 (11/88) - Interconnection of systems in a main repeater station | 20 CHF |
| [G.214] Recommendation G.214 (11/88) - Line stability of cable systems | 20 CHF |
| [G.215] Recommendation G.215 (11/88) - Hypothetical reference circuit of 5000 km for analogue systems | 20 CHF |
| [G.221] Recommendation G.221 (11/88) - Overall recommendations relating to carrier-transmission systems | 20 CHF |
| [G.222] Recommendation G.222 (11/88) - Noise objectives for design of carrier-transmission systems of 2500 km | 20 CHF |
| [G.223] Recommendation G.223 (11/88) - Assumptions for the calculation of noise on hypothetical reference circuits for telephony | 20 CHF |
| [G.224] Recommendation G.224 (11/88) - Maximum permissible value for the absolute power level (power referred to one milliwatt) of a signalling pulse | 20 CHF |
| [G.225] Recommendation G.225 (11/88) - Recommendations relating to the accuracy of carrier frequencies | 20 CHF |
| [G.226] Recommendation G.226 (11/88) - Noise on a real link | 20 CHF |
| [G.227] Recommendation G.227 (11/88) - Conventional telephone signal | 20 CHF |
| [G.228] Recommendation G.228 (11/88) - Measurement of circuit noise in cable systems using a uniform-spectrum random noise loading | 20 CHF |
| [G.229] Recommendation G.229 (11/88) - Unwanted modulation and phase jitter | 20 CHF |
| [G.230] Recommendation G.230 (11/88) - Measuring methods for noise produced by modulating equipment and through-connection filters | 20 CHF |
| [G.231] Recommendation G.231 (11/88) - Arrangement of carrier equipment | 20 CHF |
| [G.232] Recommendation G.232 (11/88) - 12-channel terminal equipments | 20 CHF |
| [G.233] Recommendation G.233 (11/88) - Recommendations concerning translating equipments | 20 CHF |
| [G.241] Recommendation G.241 (11/88) - Pilots on groups, supergroups, etc. | 20 CHF |
| [G.242] Recommendation G.242 (11/88) - Through-connection of groups, supergroups, etc. | 20 CHF |
| [G.243] Recommendation G.243 (11/88) - Protection of pilots and additional measuring frequencies at points where there is a through-connection | 20 CHF |
| [G.322] Recommendation G.322 (11/88) - General characteristics recommended for systems on symmetric pair cables | 20 CHF |
| [G.325] Recommendation G.325 (11/88) - General characteristics recommended for systems providing 12 telephone carrier circuits on a symmetric cable pair [(12+12) systems] | 20 CHF |
| [G.332] Recommendation G.332 (11/88) - 12 MHz systems on standardized 2.6/9.5 mm coaxial cable pairs | 20 CHF |
| [G.333] Recommendation G.333 (11/88) - 60 MHz systems on standardized 2.6/9.5 mm coaxial cable pairs | 20 CHF |
| [G.334] Recommendation G.334 (11/88) - 18 MHz systems on standardized 2.6/9.5 mm coaxial cable pairs | 20 CHF |
| [G.341] Recommendation G.341 (11/88) - 1.3 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs | 20 CHF |
| [G.343] Recommendation G.343 (11/88) - 4 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs | 20 CHF |
| [G.344] Recommendation G.344 (11/88) - 6 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs | 20 CHF |
| [G.345] Recommendation G.345 (11/88) - 12 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs | 20 CHF |
| [G.346] Recommendation G.346 (11/88) - 18 MHz systems on standardized 1.2/4.4 mm coaxial cable pairs | 20 CHF |
| [G.352] Recommendation G.352 (11/88) - Interconnection of coaxial carrier systems of different designs | 20 CHF |
| [G.411] Recommendation G.411 (11/88) - Use of radio-relay systems for international telephone circuits | 20 CHF |
| [G.421] Recommendation G.421 (11/88) - Methods of interconnection | 20 CHF |
| [G.422] Recommendation G.422 (11/88) - Interconnection at audio-frequencies | 20 CHF |
| [G.423] Recommendation G.423 (11/88) - Interconnection at the baseband frequencies of frequency-division multiplex radio-relay systems | 20 CHF |
| [G.431] Recommendation G.431 (11/88) - Hypothetical reference circuits for frequency-division multiplex radio-relay systems | 20 CHF |
| [G.441] Recommendation G.441 (11/88) - Permissible circuit noise on frequency-division multiplex radio-relay systems | 20 CHF |
| [G.442] Recommendation G.442 (11/88) - Radio-relay system design objectives for noise at the far end of a hypothetical reference circuit with reference to telegraphy transmission | 20 CHF |
| [G.451] Recommendation G.451 (11/88) - Use of radio links in international telephone circuits | 20 CHF |
| [G.511] Recommendation G.511 (02/98) - Test methodology for Group 3 facsimile processing equipment in the Public Switched Telephone Network | 22 CHF |
| Table of Contents and Summary of Recommendation G.511 (02/98) | |
| [G.601] Recommendation G.601 (11/88) - Terminology for cables | 20 CHF |
| [G.602] Recommendation G.602 (11/88) - Reliability and availability of analogue cable transmission systems and associated equipments | 20 CHF |
| [G.611] Recommendation G.611 (11/88) - Characteristics of symmetric cable pairs for analogue transmission | 20 CHF |
| [G.612] Recommendation G.612 (11/88) - Characteristics of symmetric cable pairs designed for the transmission of systems with bit rates of the order of 6 to 34 Mbit/s | 20 CHF |
| [G.613] Recommendation G.613 (11/88) - Characteristics of symmetric cable pairs usable wholly for the transmission of digital systems with a bit rate of up to 2 Mbits | 20 CHF |
| [G.614] Recommendation G.614 (11/88) - Characteristics of symmetric pair star-quad cables designed earlier for analogue transmission systems and being used now for digital system transmission at bit rates of 6 to 34 Mbit/s | 20 CHF |
| [subsec6-2] Introduction to Subsection 6.2, Fascicle III.3 of the Blue Book (11/88) (Recs. G.621 to G.623) | |
| [G.621] Recommendation G.621 (11/88) - Characteristics of 0.7/2.9 mm coaxial cable pairs | 20 CHF |
| [G.622] Recommendation G.622 (11/88) - Characteristics of 1.2/4.4 mm coaxial cable pairs | 20 CHF |
| [G.623] Recommendation G.623 (11/88) - Characteristics of 2.6/9.5 mm coaxial cable pairs | 20 CHF |
| [G.631] Recommendation G.631 (11/88) - Types of submarine cable to be used for systems with line frequencies of less than about 45 MHz | 20 CHF |
| [G.650] Recommendation G.650 (04/97) - Definition and test methods for the relevant parameters of single-mode fibres | 39 CHF |
| Table of Contents of Recommendation G.650 (04/97) | |
| [G.651] Recommendation G.651 (02/98) - Characteristics of a 50/125 um multimode graded index optical fibre cable | 22 CHF |
| Table of Contents and Summary of Recommendation G.651 (02/98) | |
| [G.652] Recommendation G.652 (04/97) - Characteristics of a single-mode optical fibre cable | 20 CHF |
| Summary of Recommendation G.652 (04/97) | |
| [G.653] Recommendation G.653 (04/97) - Characteristics of a dispersion-shifted single-mode optical fibre cable | 20 CHF |
| Table of Contents of Recommendation G.653 (04/97) | |
| [G.654] Recommendation G.654 (04/97) - Characteristics of a cut-off shifted single-mode optical fibre cable | 20 CHF |
| Table of Contents and Summary of Recommendation G.654 (04/97) | |
| [G.655] Recommendation G.655 (10/96) - Characteristics of a non-zero dispersion shifted single-mode optical fibre cable | 20 CHF |
| Summary of Recommendation G.655 (10/96) | |
| [G.662] Recommendation G.662 (10/98) - Generic characteristics of optical fibre amplifier devices and subsystems | 20 CHF |
| Table of Contents and Summary of Recommendation G.662 (10/98) | |
| [G.663] Recommendation G.663 (10/96) - Application related aspects of optical fibre amplifier devices and sub-system | 22 CHF |
| Summary of Recommendation G.663 (10/96) | |
| [G.671] Recommendation G.671 (11/96) - Transmission characteristics of passive optical components | 20 CHF |
| Summary of Recommendation G.671 (11/96) | |
| [G.681] Recommendation G.681 (10/96) - Functional characteristics of interoffice and long-haul line systems using optical amplifiers, including optical multiplexing | 22 CHF |
| Summary of Recommendation G.681 (10/96) | |
| [G.692] Recommendation G.692 (10/98) - Optical interfaces for multichannel systems with optical amplifiers | 22 CHF |
| Table of Contents and Summary of Recommendation G.692 (10/98) | |
