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GB/T 21642.3-2012 English PDF

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US$929.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21642.3-2012: Technical requirements for IP video conference system devices -- Part 3: multipoint unit
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21642.3-2012	929	Add to Cart	7 days	Technical requirements for IP video conference system devices -- Part 3: multipoint unit	Valid

Similar standards

JT/T 1076 YD/T 2554.1 GB/T 9771.1 GB/T 44266 GB/T 21642.4 GB/T 21642.2

Basic data

Standard ID: GB/T 21642.3-2012 (GB/T21642.3-2012)
Description (Translated English): Technical requirements for IP video conference system devices -- Part 3: multipoint unit
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M32
Classification of International Standard: 33.040.40
Word Count Estimation: 42,495
Quoted Standard: GB/T 18119-2000; YD/T 822-1996; YD/T 968-2010; YD/T 993-2006; YD/T 1046-2000; ITU-T G.711; ITU-T G.722; ITU-T G.723.1; ITU-T G.728; ITU-T G.729; ITU-T H.225.0; ITU-T H.230; ITU-T H.235; ITU-T H.243; ITU-T H.245; ITU-T H.261; ITU-T H.263; ITU-T H.264; ITU-
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 IP network-based video conferencing system to achieve multi-point control capability, stand-alone multi- point control unit (MCU) technical requirements, including the MCU in a video conference system location, functional requi

GB/T 21642.3-2012: Technical requirements for IP video conference system devices -- Part 3: multipoint unit

---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.
Technical requirements for IP video conference system devices Part 3. Multipoint unit ICS 33.040.40 M32 National Standards of People's Republic of China Based video conferencing system used in IP networks to Seeking Part 3. Multipoint Control Unit (MCU) Part 3. multipointcontrolunit Issued on. 2012-06-29 2012-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 2 3.1 Terms and definitions 2 3.2 Acronyms 3 4 MCU in IP video conferencing system and the position reference model 3 5 4 Functional requirements 5.1 multi-point control function 4 More than 5.2 point processing function 4 More than 5.3 point capability 4 5.4 network management functions 5 6 Communications Process 5 6.1 Login/Logout Process 5 6.2 Call Flow 6 6.3 Call Service Process 12 7 19 communication protocols 7.1 ITU-TH.225.0 message 19 7.2 ITU-TH.245 message 23 7.3 ITU-TH.281/ITU-TH.282/ITU-TH.283 message 27 7.4 RTP/RTCP 28 8 28 Interface Requirements 9 media processing 28 10 29 Maintenance and Network Requirements 10.1 Configuration Management 30 30 10.2 Fault Management 10.3 Management 30 10.4 User Management 30 10.5 Log Management 30 31 10.6 Remote Maintenance Management 11 Safety requirements 31 11.1 Overview 31 Safety equipment 31 11.2 11.3 32 access authentication security 12 performance requirements 35 12.1 System Capacity 35 12.2 video and audio quality service 35 12.3 Network QoS adaptability 36 12.4 reliability requirements 36 13 environmental requirements 36 13.1 Working temperature and humidity conditions 36 13.2 Dust claim 36 13.3 anti-electromagnetic interference requirements 36 13.4 against lightning 36 14 Power and Grounding 37 14.1 Power 37 37 14.2 Ground

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 3 GB/T 21642 of. This section drafted in accordance with GB/T 1.1-2009 given rules. 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, Yang Kun, Nie Xiuying, Sun Zhibin, Zhang Qing. Based video conferencing system used in IP networks to Seeking Part 3. Multipoint Control Unit (MCU)

1 Scope

This section GB/T 21642 specifies the IP network-based video conferencing systems in multi-point control capabilities, freestanding multipoint The control unit (MCU) technical requirements, including video conferencing MCU position in the system, functional requirements, to participate in the process of communication, Messages of support, and IP network interface requirements between the other devices associated with the system interface requirements between logic and performance, the environment, etc. Claim. This section applies to IP-based video conferencing systems MCU.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) used in the present document. Video encoding GB/T 18119-2000 low bit rate communication YD/T 822-1996 P × 64kbit/s videoconferencing coding (ITU-TH.261.1993, neq) YD/T 968-2010 telecommunications terminal equipment and electromagnetic compatibility requirements for measuring methods YD/T 993-2006 telecommunications terminal equipment mine technical requirements and test methods YD/T 1046-2000 IP Telephony Gateway Interworking Specification ITU-TG.711 voice frequency pulse code modulation (Pulsecodemodulation (PCM) ofvoicefrequencies) ITU-TG.722 7kHz of 64kbit/s audio encoding (7kHzaudio-codingwithin64kbit/s) Dual rate speech coder ITU-TG.723.1 to 5.3kbit/s and 6.3kbit/s rate for the multimedia communication (Dualrate speechcoderformultimediacommunicationstransmittingat5.3and6.3kbit/s) ITU-TG.728 excited linear prediction using low delay code on 16kbit/s rate speech coding (Codingofspeech at16kbit/susinglow-delaycodeexcitedlinearprediction) ITU-TG.729 using Conjugate-Structure Algebraic Code Excited Linear Prediction (CS-CELP) of 8kbit/s speech coding (Codingof speechat8kbit/susingconjugate-structurealgebraic-code-excitedlinearprediction (CS-ACELP) ITU-TH.225.0 packet-based multimedia communications systems packet call signaling protocols and media stream (Mediastream packetizationandsynchronizationonnon-guaranteedqualityofserviceLANs) ITU-TH.230 audiovisual system frame synchronization control signal and the indication signal (Frame-synchronouscontroland indicationsignalsforaudiovisualsystems) Security and Encryption ITU-TH.235 H-series multimedia terminals (SecurityandencryptionforH-Series (H.323 andotherH.245-based) multimediaterminals) ITU-TH.243 the highest rate of 1920kbit/s digital channels three or more parties video/audio communication terminal established regulations Cheng (Proceduresforestablishingcommunicationbetweenthreeormoreaudiovisualterminalsusing digitalchannelsupto1920kbit/s) ITU-TH.245 Control Protocol (Controlprotocolformultimediacommunication) multimedia communication ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21642.3-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21642.3-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 7 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 21642.3-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21642.3-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.