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GB/T 28499.1-2012 English PDF

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GB/T 28499.1-2012: Technical requirement for IP video terminal equipment -- Part 1: Terminal based on ITU-T H.323
Status: Valid
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GB/T 28499.1-2012English669 Add to Cart 5 days [Need to translate] Technical requirement for IP video terminal equipment -- Part 1: Terminal based on ITU-T H.323 Valid GB/T 28499.1-2012

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Basic data

Standard ID GB/T 28499.1-2012 (GB/T28499.1-2012)
Description (Translated English) Technical requirement for IP video terminal equipment -- Part 1: Terminal based on ITU-T H.323
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard M32
Classification of International Standard 33.040.40
Word Count Estimation 29,261
Quoted Standard GB/T 2423.1-2008; GB/T 2423.2-2008; GB/T 2423.3-2006; GB/T 3873-1983; YD/T 965-1998; YD/T 968-2010; YD/T 993-2006; ITU-R BT.500-2002; ITU-T G.711; ITU-T G.722; ITU-T G.723.1; ITU-T G.728; ITU-T G.729; ITU-T H.235; ITU-T H.239; ITU-T H.243; ITU-T H.245; IT
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 protocol based on ITU-T H. 323 video conferencing endpoints in the network location, function, communication interfaces, protocols, performance, and general equipment requirements. This section applies to agreements based on IT

GB/T 28499.1-2012: Technical requirement for IP video terminal equipment -- Part 1: Terminal based on ITU-T H.323


---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 requirement for IP video terminal equipment.Part 1. Terminal based on ITU-T H.323 ICS 33.040.40 M32 National Standards of People's Republic of China Based video conferencing terminal equipment IP network Part 1. Based on the ITU-TH.323 Terminal protocol Part 1. terminalbasedonITU-TH.323 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

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 2 4 based on ITU-TH.323 protocol video conferencing terminal position in a video conference service network. 3 5 business requirements 4 6 Terminal Type 4 5 7 basic functional requirements 7 8 Safety requirements 9 conference room based on ITU-TH.323 protocol video conferencing terminal 12 10 Desktop protocol based on ITU-TH.323 video conferencing terminal 13 11 soft end video conferencing protocol based on ITU-TH.323 13 Communication protocol process 12 13 Message 15 13 14 Interworking with other types of terminals 23 15 performance requirements 24 16 power requirements 24 17 environmental requirements 25 18 Packing & Storage 25 19 Electrical Safety 25 20 25 Lightning 21 25 Electromagnetic Compatibility

Foreword

GB/T 28499 "IP network-based video conferencing terminal equipment technical requirements" into the following sections. --- Part 1. terminal-based ITU-TH.323 agreement; --- This is Part 1 GB/T 28499 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., Ltd., Shanghai Bell Company. The main drafters of this section. Sun Mingjun, Sun Zhibin, Wu Yongming, Zhang Qing, Hu Junling, Yang Kun. Based video conferencing terminal equipment IP network Part 1. Based on the ITU-TH.323 Terminal protocol

1 Scope

This section GB/T 28499 regulations based video conferencing ITU-TH.323 protocol terminal location in the network, the main functions General requirements can, communication interfaces, protocols, and equipment performance. This section applies to video conferencing terminal based on ITU-TH.323 protocol.

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. GB/T 2423.1-2008 Environmental testing for electric and electronic products Part 2. Test methods Test A. Cold GB/T 2423.2-2008 Environmental testing for electric and electronic products Part 2. Test methods Test B. Dry heat GB/T 2423.3-2006 Environmental testing for electric and electronic products Part 2. Test methods - Test Cab. Damp heat test GB/T 3873-1983 Telecommunication Equipment for packaging technology Safety requirements YD/T 965-1998 telecommunications terminal equipment and test methods YD/T 968-2010 Telecommunications Terminal Equipment Electromagnetic Compatibility Requirements and measurement methods YD/T 993-2006 telecommunications terminal equipment mine technical requirements and test methods ITU-RBT.500 (2002) TV image quality subjective evaluation method ITU-TG.711 voice frequency pulse code modulation (Pulsecodemodulation (PCM) ofvoicefrequencies) 7kHz Audio Coding (7kHzaudio-codingwithin64kbit/s) ITU-TG.722 64kbit/s within 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) Security and Encryption ITU-TH.235 H-series multimedia terminals (SecurityandencryptionforH-Series (H.323 andotherH.245-based) multimediaterminals) ITU-TH.239 H.300-series terminals Role management and additional media channels (Rolemanagementandadditional mediachannelsforH.300-seriesterminals) ITU-TH.243 use within 1920kbit/s digital channel between three or more audiovisual terminals for establishing communication Regulations (Proceduresforestablishingcommunicationbetweenthreeormoreaudiovisualterminalsusing digitalchannelsupto1920kbit/s) ITU-TH.245 multimedia communication control protocol (Controlprotocolformultimediacommunication) ITU-TH.261 P * 64kbit/s audiovisual services, video encoding (Videocodecforaudiovisualservicesatp × 64kbit/s)

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