GB/T 3971.3-1983
Active
GB/T 21641-2008
Active
National standards
GB/T 21641-2008 Technique requirements of video conferencing system interworking between different technologies
GB/T 21641-2008 Technique requirements of video conferencing system interworking between different technologies
Basic Information
Standard Code:
GB/T 21641-2008
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Optical communication equipment
ICS Name:
Telecommunications system
Publish Date:
2008-04-10
Implement Date:
2008-11-01
Pages:
48 pages
Scope
This standard mainly specifies the interoperability architecture, basic requirements for interoperability, media interoperability requirements, protocol interoperability requirements, interoperability charging, and interoperability security requirements between IP-based video conferencing systems and non-IP-based video conferencing terminals (mainly including GB/T 15845.4-2003 video terminals and ITU H.324 video terminals). This standard is applicable to IP-based video conferencing systems.
Development Information
Related Standards
GB/T 3974-1983
Abolished
GB/T 3974-1983 Telephone transmission interference allowances for long-distance high-capacity analogue microwave communication systems
GB/T 5581-1985
Abolished
GB/T 5581-1985 Specification and measuring method of frequency-modulated voice-frequency telegraph set for a modulation rate of 75 Bauds with channels spaced at 180 Hz
GB/T 13722-1992
Replaced
GB/T 13722-1992 Performance requirements and testing methods for power supplies used in the mobile communication
GB/T 3972-1992
Abolished
GB/T 3972-1992 Relays for crossbar telephone switching systems
GB/T 15410-1994
Abolished