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