GB/T 21642.1-2008The technical requirements for video conference system devices based on IP-based network - Part 1: Multipoint Controller (English PDF)
基于IP网络的视讯会议系统设备技术要求 第1部分：多点控制器（MC）
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
April 10, 2008
Implementation date
November 1, 2008
Scope
GB/T 21642.1-2008 is the English-translated version of 基于IP网络的视讯会议系统设备技术要求 第1部分：多点控制器（MC）.
GB/T 21642.1-2008 is the Chinese standard "The technical requirements for video conference system devices based on IP-based network -- Part 1: Multipoint Controller".
Its scope clause reads: This section provides GB/T 21642 IP-based network video conferencing system to achieve multi-point control of an independent multi-point control device (MC) technical requirements.
The main provisions of the MC position in a video conference system, functional requirements, multi-point configuration, traffic participation interface requirements Cheng, MC and IP network between other devices associated with the system interface requirements between logic and performance, the environment, etc. Claim.
This section applies to Multi-point controller (MC) IP network video conferencing system used in the device.
Its clauses include terms and definitions; abbreviations; multi-point configuration; mc interface ip network requirements; stack; agreement calls for; mc addressing and naming; performance requirements; environmental requirements; power and ground.
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Document preview — GB/T 21642.1-2008
National Standard of the People's Republic of China
- ICS
- 33.040
- Classification
- M 33
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Abbreviations
- 5 MC location and function in a video conference system requirements
- 5.1 MC position in a video conference system
- 5.2 MC functional requirements
- 6 Multi-point configuration
- 6.1 in the same multi-point network configuration
- 6.2 across different network conferencing system multipoint configuration
- 7 MC interface IP network requirements
- 7.1 Interface Requirements
- 8 MC and other devices conferencing system logical interface between
- 8.1 MC system with other devices between the reference point
- 9.1 GK discovery process (optional)
- 9.2 Registration Process
- 9.3 The meeting was convened Scheme
- 20 9.5 cancellation process
- 9.6 Conference Control main flow
- 9.7 flow control device
- 10 Stack
- 11 agreement calls for
- 26
- 11.1 MC protocol communication between and GK
- 29
- 11.2 MC communication protocol between the terminal
- 32
- 11.3 MC protocol communication between the MP and
- 11.4 ITU-TH. 281, ITU-TH. 282, ITU-TH. 283 message and its detailed parameters (Device Control)
- 12 MC addressing and naming
- 14 performance requirements
- 14.1 MC processing capacity
- 14.2 Reliability, availability requirements
- 15 environmental requirements
- 15.1 Working temperature and humidity conditions
- 15.2 Dust claim
- 15.3 anti-electromagnetic interference requirements
- 15.4 against lightning
- 16 power and ground
- 16.1 Power
- 16.2 grounding requirements
Foreword
GB/T 21642 "IP-based video conferencing system equipment technical requirements" is divided into four parts.
--- Part 1. Multipoint Controller (MC);
--- Part 2. Multi-Processor (MP);
--- Part 3. Gatekeeper (GK);
--- Part 4. Multipoint Control Unit (MCU).
This section is one of the "IP video conferencing systems" series of standards. The name of the family structure and standards are expected as follows.
--- General technical requirements of IP-based network video conferencing systems;
--- IP-based video-conferencing equipment interoperability technical requirements;
--- Interworking technology requirements based emergency video conference system of different technologies;
--- IP-based video conferencing systems network equipment technology requirements - Part 1. Multipoint Controller (MC);
--- IP-based video conferencing systems network equipment technology requirements - Part 2. Multi-Processor (MP);
--- Based video conferencing system used in IP networks - Part 3. Gatekeeper (GK);
--- IP-based video conferencing systems network equipment technology requirements - Part 4. Multipoint Control Unit (MCU);
--- IP-based video conferencing system terminal technical requirements.
This section proposed by the People's Republic of China Ministry of Information Industry.
This part of the jurisdiction of the China Communications Standards Association.
This section drafted by. Ministry of Information Industry Institute of Telecommunications Transmission, ZTE Corporation.
1 Scope
This section provides GB/T 21642 IP-based network video conferencing system to achieve multi-point control of an independent multi-point control Device (MC) technical requirements. The main provisions of the MC position in a video conference system, functional requirements, multi-point configuration, traffic participation Interface requirements Cheng, MC and IP network between other devices associated with the system interface requirements between logic and performance, the environment, etc. Claim.
This section applies to Multi-point controller (MC) IP network video conferencing system used in the device.
2 Normative references
The following documents contain provisions which, through reference GB/T 21642 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 21639-2008 General technical requirements for IP-based video conferencing systems
GB/T 21640-2008 IP-based video conferencing systems network equipment interoperability technical requirements
YD/T 905-1997 use within 2Mbit/s digital multi-channel audio system control units (eqvITU-TH 231-1995)
Requirements YD/T 968-2002 telecommunications terminal equipment and electromagnetic compatibility requirements of the test method
YD/T 993-1998 telecommunications terminal equipment mine technical requirements and test methods
YD/T 1046-2000 IP Telephony Gateway Interworking Specification
YD/T 1292-2003 based on ITU-TH. 248 Media Gateway Control Protocol Technical Requirements
ITU-TH. Packing and synchronization for 2000 does not guarantee the quality of local business online multimedia system media stream. 225.0
ITU-TH. 230 audiovisual system frame synchronization control signal and the indication signal
ITU-TH. 243. digital multi-channel three or video/audio communication terminal 1997 with the highest rate of 1920kbit/s establishment Procedures
ITU-TH. 245.2000 multimedia communication control protocol
ITU-TH. 248 Gateway Control Protocol
ITU-TH. 248.19.2004 Gateway Control Protocol. Decomposition multipoint control unit, audio, video and data conferencing packages
ITU-TH. 281.1994 using ITU-TH. 224 videoconferencing end camera control protocol
ITU-TH. 282.1999 Remote device control protocol for multimedia communication
ITU-TH. 283.1999 Remote device control logical channel transport
ITU-TH. 323.2000 packet-based multimedia communication system
ITU-TH. 341 Multimedia Management Information Base
ITU-TQ. 931.1998 ISDN user-network layer of the third basic call control protocol
ITU-TT. 140 multimedia application text conversation protocol
IEC IEEE802.3 Ethernet standard
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 40 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 21639-2008The technical requirements of video conferencing service for IP-based network
- GB/T 21640-2008Technical standards for cooperation between equipments of IP-based video conference system
- YD/T 993-1998The technical requirements and test methods of overvoltage and overcurrent resistibility for wire telecommunication terminal equipment
- YD/T 1292-2003Technical requirements for media gateway control protocol based on H.248
YD/T 905-1997 · YD/T 1046-2000
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Related Standards
GB/T 21639-2008 — The technical requirements of video conferencing service for IP-based network
GB/T 21640-2008 — Technical standards for cooperation between equipments of IP-based video conference system
GB/T 21642.2-2008 — The technical requirements for video conference system devices based on IP-based network - Part 2: Multipoint Processor
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