| 单词 | Table H-4: Selected ITU-T H-Series Recommendations |
| 释义 | Table H-4: Selected ITU-T H-Series Recommendations Recommendation Description H.100 Visual telephone systems H.222.1 Multimedia multiplex and synchronization for audiovisual communication in ATM envi- ronments H.223 Multiplexing protocol for low bit rate multimedia communication H.231 Multipoint control units for audiovisual systems using digital channels up to 1920 kbit/s H.242 System for establishing communication between audiovisual terminals using digital channels up to 2 Mbit/s H.243 Procedures for establishing communication between three or more audiovisual termi- nals using digital channels up to 1920 kbit/s H.244 Synchronized aggregation of multiple 64 or 56 kbit/s channels H.245 Control protocol for multimedia communication H.248 Gateway control protocol H.261 Video codec for audiovisual services at px64 kbit/s H.263 Video coding for low bit rate communication H.310 Broadband audiovisual communication systems and terminals H.320 Narrow-band visual telephone systems and terminal equipment H.321 Adaptation of H.320 visual telephone terminals to B-ISDN environments H.322 Visual telephone systems and terminal equipment for LANs that provide guaranteed QoS H.323 Packet-based multimedia communications systems |
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