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GB/T 21642.4-2012: Technical requirements for IP video conference system devices -- Part 4: Gatekeeper
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21642.4-2012 | English | 1059 |
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Technical requirements for IP video conference system devices -- Part 4: Gatekeeper
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GB/T 21642.4-2012
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Basic data | Standard ID | GB/T 21642.4-2012 (GB/T21642.4-2012) | | Description (Translated English) | Technical requirements for IP video conference system devices -- Part 4: Gatekeeper | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | M32 | | Classification of International Standard | 33.040.40 | | Word Count Estimation | 48,470 | | Quoted Standard | YD/T 1096-2009; YD/T 1097-2009; ITU-T H.225.0; ITU-T H.235; ITU-T H.245; ITU-T H.323 | | Regulation (derived from) | National Standards Bulletin No. 13 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the gatekeeper IP video conferencing equipment, functional requirements, interface requirements, performance requirements, protocol requirements, communication processes, addressing and naming, billing requirements, operation and m | GB/T 21642.4-2012: Technical requirements for IP video conference system devices -- Part 4: Gatekeeper
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS33.040.40
M32
National Standards of People's Republic of China
IP-based video conferencing systems network equipment
Technical requirements Part 4. Gatekeeper (GK)
Part 4. Gatekeeper
Issued on. 2012-10-01 2012-06-29 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions, abbreviations 1
2 4 Functional requirements
Safety requirements 5 5
6 interface requirements 9
7 performance requirements 9
8 agreement calls for 10
9 communication flow 14
10 addressing and naming 31
Billing requirements 11 31
Operation management and maintenance requirements 12 33
13 environmental requirements 35
14 power requirements 35
Appendix A (normative appendix) IP video conferencing gatekeeper MIB 36
A.1 H.323GatekeeperMIB 36
A.2 RASMIB 37
A.3 H.225CalSignaling-MIB 39
A.4 H245MIB 41
Foreword
GB/T 21642 "IP-based video conferencing system equipment technical requirements" is divided into four sections.
--- Part 1. Multipoint Controller (MC);
--- Part 2. Multi-Processor (MP);
--- Part 3. Multipoint Control Unit (MCU);
--- Part 4. Gatekeeper (GK).
This is Part 4 GB/T 21642 in.
Rules in this section in accordance with GB/T 1.1-2009 given draft.
This part is proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This part of the jurisdiction of the China Communications Standards Association.
This section drafted by. Ministry of Industry and Information Technology and Telecommunications Research Institute, ZTE Corporation, Huawei Technologies Co., seashells
Seoul Limited.
This section drafters. Sun Mingjun, Zhang Hengsheng, Guo Liang, Yang Kun, Wu Yongming, Sun Zhibin, Zhang Qing.
IP-based video conferencing systems network equipment
Technical requirements Part 4. Gatekeeper (GK)
1 Scope
This section GB/T 21642 specifies the functional requirements of IP video conferencing gatekeeper devices, interface requirements, performance requirements, the agreement should
Demand, traffic flow, addressing and naming, billing requirements, operation and maintenance management requirements, environmental requirements, and power requirements.
This section applies to IP video conferencing gatekeeper device.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) used in the present document.
YD/T1096-2009 Technical requirements router edge router
YD/T1097-2009 router equipment specification Core Router
ITU-TH.225.0 packaged packet-based multimedia communication systems call signaling protocols and media stream (Mediastream
packetizationandsynchronizationonnon-guaranteedqualityofserviceLANs)
Security & Encryption ITU-TH.235 H-series (H.323 and other based on H.245) multimedia terminals (Securityanden-
cryptionforH-Series (H.323andotherH.245-based) multimediaterminals)
ITU-TH.245 Control Protocol (Controlprotocolformultimediacommunication) multimedia communication
ITU-TH.323 packet-based multimedia communication system (Packet-basedmultimediacommunicationssystems)
3 Terms and definitions, abbreviations
3.1 Terms and Definitions
The following terms and definitions apply to this document.
3.1.1
Video conferencing business videoconferenceservice
Using images, voice compression technology, the use of video conferencing systems and digital communication transmission circuit, real-time transmission activity between two or more points
Image, voice, application data (whiteboard, graphics) information in the form of traffic.
3.1.2
IP video conferencing business IPvideoconferenceservice
IP protocol are used to-end multi-point video conferencing service that the conference system in all terminals support TCP/IP protocol, this section
Especially in the terminal support ITU-TH.323 terminals.
3.1.3
Gatekeeper Gatekeeper
A functional entity in the network to provide address translation. Network access control, bandwidth management meeting resource scheduling.
3.1.4
Multi-point controller multipointcontrolor
A network functional entity to provide a plurality of control members to participate in a multipoint conference between. MC can provide between all terminals
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