ITU-T H 248 3-2013 Gateway control protocol User interface elements and actions packages (Study Group 16)《网关控制协议 用户接口元素和行为包 16号研究组》.pdf
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1、 International Telecommunication Union ITU-T H.248.3TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (03/2013) SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMSInfrastructure of audiovisual services Communication procedures Gateway control protocol: User interface elements and actions packages Recommendat
2、ion ITU-T H.248.3 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 aspects H.230H.239 Communication proce
3、dures H.240H.259Coding 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 architecture for audiovisual and multimedia se
4、rvices H.360H.369 Supplementary services for multimedia H.450H.499 MOBILITY 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 multimedia collaboration applicati
5、ons 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 procedures H.560H.569 BROADBAND, TRIP
6、LE-PLAY AND ADVANCED MULTIMEDIA SERVICES Broadband multimedia services over VDSL H.610H.619 Advanced multimedia services and applications H.620H.629 Ubiquitous sensor network applications and Internet of Things H.640H.649 IPTV MULTIMEDIA SERVICES AND APPLICATIONS FOR IPTV General aspects H.700H.719
7、IPTV terminal devices H.720H.729 IPTV 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 Digital Signage H.780H.789 For further details, please refer to the li
8、st of ITU-T Recommendations. Rec. ITU-T H.248.3 (03/2013) i Recommendation ITU-T H.248.3 Gateway control protocol: User interface elements and actions packages Summary The packages in Recommendation ITU-T H.248.3 define a framework for specifying capabilities associated with user interface elements,
9、 such as text display, keys, dynamically labelled keys, indicators and alphanumeric input. In addition, specific extension packages for telephone keypads and telephone function keys are defined. This Revision incorporates corrections to the Set Indicator signal “State“ and “Indicator description“ pa
10、rameters. NOTE This Recommendation has been renumbered. It was previously known as Recommendation ITU-T H.248, Annex G. History Edition Recommendation Approval Study Group 1.0 ITU-T H.248 Annex G 2000-11-17 16 1.0 ITU-T H.248.3 2000-11-17 16 1.2 ITU-T H.248.3 (2000) Cor. 1 2004-03-15 16 2.0 ITU-T H.
11、248.3 2013-03-16 16 ii Rec. ITU-T H.248.3 (03/2013) FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a p
12、ermanent organ of ITU. ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, esta
13、blishes 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 covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-Ts purview, the necessary st
14、andards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommendation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the R
15、ecommendation may contain certain mandatory provisions (to ensure, e.g., interoperability or applicability) and compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“ or some other obligatory language such as “must“ and the negative equivalen
16、ts are used to express requirements. The use of such words does not suggest that compliance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claime
17、d Intellectual Property Right. ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had not
18、 received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementers are cautioned 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
19、-T/ipr/. ITU 2013 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T H.248.3 (03/2013) iii Table of Contents Page 1 Scope 1 2 References. 1 3 Display Package . 1 3.1 Properties 1 3.2 Events . 3 3.3 Sign
20、als 3 3.4 Statistics 4 3.5 Procedures 4 4 Key package 5 4.1 Properties 5 4.2 Events . 5 4.3 Signals 6 4.4 Statistics 6 4.5 Procedures 6 5 Keypad package 7 5.1 Properties 7 5.2 Events . 7 5.3 Signals 8 5.4 Procedures 8 6 Label Key package . 9 6.1 Properties 9 6.2 Events . 9 6.3 Signals 9 6.4 Procedur
21、es 9 7 Function Key package 10 7.1 Procedures 10 8 Indicator package 11 8.1 Properties 11 8.2 Events . 11 8.3 Signals 11 8.4 Statistics 12 8.5 Procedures 12 9 Soft Keypackage . 13 9.1 Properties 13 9.2 Signals 14 9.3 Procedures 14 iv Rec. ITU-T H.248.3 (03/2013) Page 10 Ancillary Input package 15 10
22、.1 Properties 15 10.2 Events . 15 10.3 Signals 15 10.4 Statistics 15 10.5 Procedures 15 Rec. ITU-T H.248.3 (03/2013) 1 Recommendation ITU-T H.248.3 Gateway control protocol: User interface elements and actions packages 1 Scope This Recommendation defines a package that extends the applicability of t
23、he ITU-T H.248.1 Gateway control protocol. Specifically, the packages in Recommendation ITU-T H.248.3 define a framework for specifying capabilities associated with user interface elements, such as text display, keys, dynamically labelled keys, indicators and alphanumeric input. In addition, specifi
24、c extension packages for telephone keypads and telephone function keys are defined. 2 References The following ITU-T Recommendations and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions i
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