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Chinese National Standard Category: Optical communication equipment

English Title: Technical standards for cooperation between equipments of IP-based video conference system
Chinese Title: 基于IP网络的视讯会议系统设备互通技术要求
Standard No.: GB/T 21640-2008
Category No.: M33
Issued by: AQSIQ, SAC
Issued on: 2008-04-10
Implemented on: 2008-11-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:
Word Count:30000 words
Similar Standards: GB/T 8401.9-1987   T/CCSA 241-2019   T/SHPTA 023.1-2022   T/ZZB 042-2015   T/CEMIA 007-2018   YD/T 545-1992   GB/T 8402.5-1987   DB32/T 4219-2022   GB/T 8402.6-1987   GB/T 8401.8-1987   T/ZZB 041-2015   YD/T 544-1992   T/CEMIA 010-2018   GB/T 43556.2-2023   GB/T 43556.1-2023   GB/T 18899-2023   GB/T 16849-2023   GB/T 16850.1-2022   GB/T 9771.7-2022   YD/T 4172-2022  
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