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Техническая документация


ОСНОВНЫЕ СТАНДАРТЫ ITU-T (English)



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E164 The international public telecommunication numbering plan
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G.701 Vocabulary of digital transmission and multiplexing Скачать
G.702 Digital hierarchy bit rates Скачать
G.703 Physical/electrical characteristics of hierarchical digital interfaces Скачать
G.704 Synchronous frame structures Скачать
G.711 Pulse code modulation (PCM) of voice frequencies Скачать
G.722 7 kHz audio-coding within 64 kbit/s Скачать
G.723 Dual rate speech coder at 5.3 and 6.3 kbit/s Скачать
G.726 40, 32, 24, 16 kbit/s adaptive differential pulse code modulation Скачать
G.728 Coding of speech at 16 kbit/s Скачать
G.729 Coding of speech at 8 kbit/s Скачать
H.320 Narrow-band visual telephone systems and terminal equipment Скачать
H.321 Adaptation of H.320 visual telephone terminals to B-ISDN Скачать
H.322 Visual telephone systems and quipment for LAN with QoS Скачать
H.323 Visual telephone systems and equipment for LAN without QoS Скачать
H.324 Terminal for low bit rate Multimedia Communication Скачать
I.430 Basic user-network interface – Layer 1 specification Скачать
Q.931 ISDN user-network interface layer 3 specification Скачать
V.8 bis Procedures for the selection of common modes of operation Скачать
V.22 bis 2400 bits per second duplex modem Скачать
V.32 A family of 2-wire, duplex modems operating at rates up 9600 bit/s Скачать
V.34 A modem operating at data signalling rates of up to 33 600 bit/s Скачать













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