ITU-T H 450 1-2011 Generic functional protocol for the support of supplementary services in ITU-T H 323 systems (Study Group 16)《ITU-T H 323系统中支持补充业务的通用功能协议 16号研究组》.pdf
《ITU-T H 450 1-2011 Generic functional protocol for the support of supplementary services in ITU-T H 323 systems (Study Group 16)《ITU-T H 323系统中支持补充业务的通用功能协议 16号研究组》.pdf》由会员分享,可在线阅读,更多相关《ITU-T H 450 1-2011 Generic functional protocol for the support of supplementary services in ITU-T H 323 systems (Study Group 16)《ITU-T H 323系统中支持补充业务的通用功能协议 16号研究组》.pdf(28页珍藏版)》请在麦多课文档分享上搜索。
1、 International Telecommunication Union ITU-T H.450.1TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (05/2011) SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMSInfrastructure of audiovisual services Supplementary services for multimedia Generic functional protocol for the support of supplementary services
2、 in ITU-T H.323 systems Recommendation ITU-T H.450.1 ITU-T H-SERIES RECOMMENDATIONS AUDIOVISUAL AND MULTIMEDIA SYSTEMS CHARACTERISTICS OF VISUAL TELEPHONE SYSTEMS H.100H.199 INFRASTRUCTURE OF AUDIOVISUAL SERVICES General H.200H.219 Transmission multiplexing and synchronization H.220H.229 Systems asp
3、ects H.230H.239 Communication procedures H.240H.259 Coding of moving video H.260H.279 Related systems aspects H.280H.299 Systems and terminal equipment for audiovisual services H.300H.349 Directory services architecture for audiovisual and multimedia services H.350H.359 Quality of service architectu
4、re for audiovisual and multimedia services H.360H.369 Supplementary services for multimedia H.450H.499MOBILITY AND COLLABORATION PROCEDURES Overview of Mobility and Collaboration, definitions, protocols and procedures H.500H.509 Mobility for H-Series multimedia systems and services H.510H.519 Mobile
5、 multimedia collaboration applications and services H.520H.529 Security for mobile multimedia systems and services H.530H.539 Security for mobile multimedia collaboration applications and services H.540H.549 Mobility interworking procedures H.550H.559 Mobile multimedia collaboration inter-working pr
6、ocedures H.560H.569 BROADBAND, TRIPLE-PLAY AND ADVANCED MULTIMEDIA SERVICES Broadband multimedia services over VDSL H.610H.619 Advanced multimedia services and applications H.620H.629 IPTV MULTIMEDIA SERVICES AND APPLICATIONS FOR IPTV General aspects H.700H.719 IPTV terminal devices H.720H.729 IPTV
7、middleware H.730H.739 IPTV application event handling H.740H.749 IPTV metadata H.750H.759 IPTV multimedia application frameworks H.760H.769 IPTV service discovery up to consumption H.770H.779 For further details, please refer to the list of ITU-T Recommendations. Rec. ITU-T H.450.1 (05/2011) i Recom
8、mendation ITU-T H.450.1 Generic functional protocol for the support of supplementary services in ITU-T H.323 systems Summary Recommendation ITU-T H.450.1 describes the procedures and the signalling protocol between ITU-T H.323 entities (packet-based multimedia communications systems) for the control
9、 of supplementary services. The signalling protocol which is defined within this Recommendation is common to all ITU-T H.323 supplementary services. Detailed procedures applicable to individual supplementary services are specified by other Recommendations of the ITU-T H.450.x-series and by individua
10、l manufacturers for proprietary services using the capabilities defined in this Recommendation. The procedures of this Recommendation are derived from the generic functional protocol specified in ISO/IEC 11582 for private integrated services networks (PISN). The revision approved in May 2011 correct
11、s errors discovered in the initial publication. History Edition Recommendation Approval Study Group 1.0 ITU-T H.450.1 1998-02-06 16 2.0 ITU-T H.450.1 2011-05-14 16 ii Rec. ITU-T H.450.1 (05/2011) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the
12、 field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standa
13、rdizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recommendations on these topics. The approval of ITU-T Recommendations is cov
14、ered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indi
15、cate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure, e.g., interoperability or applicability) and compliance with the Recommendation is achiev
16、ed when all of these mandatory provisions are met. The words “shall“ or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such words does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL P
17、ROPERTY RIGHTS ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether ass
18、erted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementers are cautioned
19、 that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2012 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU.
20、Rec. ITU-T H.450.1 (05/2011) iii Table of Contents Page 1 Scope 1 2 References. 1 3 Terms and definitions . 2 3.1 Terms defined elsewhere 2 3.2 Terms defined in this Recommendation . 2 4 Abbreviations and acronyms 3 5 General principles . 3 6 Procedures for the transport of APDUs 3 6.1 Call-related
21、procedures . 3 6.2 Call-independent procedures 4 6.3 Sending the ITU-T H.450.1 supplementary service APDU . 4 6.4 Receiving the ITU-T H.450.1 supplementary service APDU 4 6.5 Actions at a source entity . 5 6.6 Actions at a destination entity 5 7 Messages . 6 7.1 Overview 6 7.2 SETUP 6 8 ITU-T H.450.
22、1 supplementary service APDU . 7 8.1 Network facility extension (NFE) 9 8.2 Interpretation APDU 9 8.3 ROS APDUs . 9 9 Encoding of information described using ASN.1 . 14 10 ASN.1 definitions of generic parameters 14 10.1 Addressing information 14 10.2 H225InformationElement . 16 10.3 General error li
23、st . 16 11 Manufacturer-specific information . 17 11.1 Manufacturer-specific operations . 17 11.2 Manufacturer-specific additions to standardized operations 18 12 Object identifiers defined in this Recommendation . 19 Rec. ITU-T H.450.1 (05/2011) 1 Recommendation ITU-T H.450.1 Generic functional pro
24、tocol for the support of supplementary services in ITU-T H.323 systems 1 Scope This Recommendation defines the signalling protocol between ITU-T H.323 entities for the control of supplementary services. Detailed procedures applicable to individual supplementary services are specified by other Recomm
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