GB/T 21639-2008 English PDF

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GB/T 21639-2008: The technical requirements of video conferencing service for IP-based network
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21639-2008	1389	Add to Cart	10 days	The technical requirements of video conferencing service for IP-based network	Valid

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Basic data

Standard ID: GB/T 21639-2008 (GB/T21639-2008)
Description (Translated English): The technical requirements of video conferencing service for IP-based network
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M33
Classification of International Standard: 33.040
Word Count Estimation: 63,654
Date of Issue: 2008-04-10
Date of Implementation: 2008-11-01
Quoted Standard: GB/T 18119-2000; YD/T 822-1996; ITU-T E.164-1997; ITU-T G.711-1988; ITU-T G.722-1988; ITU-T G.723.1-1996; ITU-T G.728-1992; ITU-T G.729-1996; ITU-T H.221; ITU-T H.222; ITU-T H.223; ITU-T H.225.0-2000; ITU-T H.235-2000; ITU-T H.242; ITU-T H.243-1997; ITU-T H.245-2000; ITU-T H.246-1998; ITU-T H.248-2000; ITU-T H.248.19; ITU-T H.282-1999; ITU-T H.283-1999; ITU-T H.310; ITU-T H.320; ITU-T H.321; ITU-T H.322; ITU-T H.323-2000; ITU-T H.324; ITU-T H.341; ITU-T H.350; ITU-T I.580; ITU-T P.861; ITU-T P.910; ITU-T Q.931-1998; ITU-T Q.2931; ITU-T T.120-1996; ITU-T V.70; ITU-T V.75; ITU-T V.76; IETF RFC 1889-1996; IETF RFC 2865-2000
Regulation (derived from): National Standard Approval Announcement 2008 No.5 (Total No.118)
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 IP network-based video conferencing system architecture, the typical agreement, numbering, network performance requirements and different carriers based on IP network interworking between video conferencing system and so on. This standard applies to sub- IP network -based video conferencing system.

GB/T 21639-2008: The technical requirements of video conferencing service for IP-based network

---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.
The technical requirements of video conferencing service for IP-based network ICS 33.040 M33 National Standards of People's Republic of China IP-based video conferencing systems General technical requirements Posted 2008-04-10 2008-11-01 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 Definitions and Abbreviations 2 3.1 Terms and definitions 2 3.2 Acronyms 3 4 IP video conferencing equipment business network organization and functions 3 Network organization structure and business network 4.1 IP video conferencing network system 3 4.2 Main Equipment and functional description 6 5 IP-based video conferencing systems in the device addressing and naming 8 8 5.1 Terminal 5.2 Gatekeeper 8 Gateway 9 5.3 5.4 MC 9 5.5 MP 9 5.6 Meeting No. 9 6 10 communication protocols 6.1 RAS message 10 6.2 ITU-TQ. 931 messages 24 6.3 ITU-TH. 248 messages 24 6.4 ITU-TH. 245 messages 28 7 Communication Process 28 28 7.1 Registration Process 7.2 Conference Scheduler 30 7.3 The meeting was convened 33 38 7.4 End Meeting 42 7.5 cancellation 8 conference control and device control 43 8.1 Conference Control 43 45 8.2 Device Control 9 Interworking with non-IP terminal 45 9.1 voice terminal 45 Videophone terminal (ITU-TH.320) 46 9.2 ISDN on 9.3 Visual telephone terminals (ITU-TH.324) 46 GSTN on Videophone terminal (ITU-TH.324/M) 46 9.4 on mobile radio Videophone terminal (ITU-TH.321 and ITU-TH.310RAST) 46 9.5 ATM on 9.6 guaranteed quality of service videophone terminal (ITU-TH.322) 47 LAN on Voice data terminal (ITU-TV.70) 47 9.7 GSTN on 9.8 ITU-TT packets on the network. 120 Terminal 47 ITU-TH 9.9 ATM on. 323 transmission media gateway 47 10 security and authentication 47 10.1 Equipment Safety 47 10.2 the control plane security 49 10.3 Security data plane 49 Coding and frame structure 11 IP conference system 49 11.1 speech coding and frame structure 49 11.2 image coding and frame structure 50 12 50 Billing 12.1 Charging Center 50 12.2 billing 51 12.3 Charging and accounting processes 51 Content 51 12.4 Accounting Network Management 13 52 Network management 52 13.1 52 13.2 Network Management Objects 13.3 52 network management interface protocol 13.4 Network Management Interface Information Model 52 Network management 52 13.5 14 network performance 53 14.1 video conferencing network requirements 53 Operating characteristics of video conferencing equipment 53 14.2 Appendix A (Normative Appendix) MCU instructions 55 Appendix B (normative) interworking of different operators instructions 56 Appendix C (Informative Appendix) ITU-TH. 248 Terminal 58

Foreword

This standard is one "IP video conferencing systems" series of standards. The series of standards is expected to have the following names. --- 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. Appendix A of this standard is a normative appendix, Appendix B is normative appendix, Appendix C is informative appendix. Procedures ITU-TH. 245.2000 multimedia communication control protocol ITU-TH. 246.1998 H- series multimedia terminals with H- series multimedia terminals and voice on GSTN and ISDN/voiceband Terminals communicate with each other ITU-TH. 248.2000 Media Gateway Protocol ITU-TH. 248.19 MCU separated audio, video, and data packets ITU-TH. 282.1999 Remote device control protocol for multimedia communication ITU-TH. 283.1999 Remote device control logical channel transport ITU-TH. 310 Broadband and audiovisual communication systems and terminals ITU-TH. 320 narrow-band visual telephone systems and terminal equipment ITU-TH. 321 B-ISDN environment H. Videophone terminal adapter 320 ITU-TH. 322 for providing quality assurance services home network visual telephone systems and terminal equipment ......

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