GB/T 21642.4-2012 English PDF

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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	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21642.4-2012	1059	Add to Cart	7 days	Technical requirements for IP video conference system devices -- Part 4: Gatekeeper	Valid

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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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