ITU-T H.248.3-2000 H系列:视听和多媒体系统 视听服务基础设施 通信程序 网关控制协议: 用户界面元素和活动插件 Gateway control protocol: User interface elements and actions packages Study Group 16

pdf标准 ITU-T H.248.3-2000 H系列:视听和多媒体系统 视听服务基础设施 通信程序 网关控制协议: 用户界面元素和活动插件 Gateway control protocol: User interface elements and actions packages Study Group 16

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ITU-T H.248.3-2000 H系列:视听和多媒体系统 视听服务基础设施 通信程序 网关控制协议: 用户界面元素和活动插件 Gateway control protocol: User interface elements and actions packages Study Group 16 第 1 页 ITU-T H.248.3-2000 H系列:视听和多媒体系统 视听服务基础设施 通信程序 网关控制协议: 用户界面元素和活动插件 Gateway control protocol: User interface elements and actions packages Study Group 16 第 2 页 ITU-T H.248.3-2000 H系列:视听和多媒体系统 视听服务基础设施 通信程序 网关控制协议: 用户界面元素和活动插件 Gateway control protocol: User interface elements and actions packages Study Group 16 第 3 页 ITU-T H.248.3-2000 H系列:视听和多媒体系统 视听服务基础设施 通信程序 网关控制协议: 用户界面元素和活动插件 Gateway control protocol: User interface elements and actions packages Study Group 16 第 4 页 ITU-T H.248.3-2000 H系列:视听和多媒体系统 视听服务基础设施 通信程序 网关控制协议: 用户界面元素和活动插件 Gateway control protocol: User interface elements and actions packages Study Group 16 第 5 页
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国外分类,ITU,ITU-T(电信标准分局),itu,系列,视听,媒体,多媒体,系统,多媒体系统,视听,服务,基础,设施,基础设施,通信,程序,网关,控制,协议,控制协议,用户,界面,用户界面,元素,活动,插件,gateway,control,protocol,user,interface,elements,and,actions,packages,study,group

INTERNATIONAL TELECOMMUNICATION UNION ITU-T H.248.3 TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (11/2000) SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMS Infrastructure of audiovisual services – Communication procedures Gateway control protocol: User interface elements and actions packages ITU-T Recommendation H.248.3 ITU-T H-SERIES RECOMMENDATIONS AUDIOVISUAL AND MULTIMEDIA SYSTEMS CHARACTERISTICS OF VISUAL TELEPHONE SYSTEMS INFRASTRUCTURE OF AUDIOVISUAL SERVICES General Transmission multiplexing and synchronization Systems aspects Communication procedures Coding of moving video Related systems aspects SYSTEMS AND TERMINAL EQUIPMENT FOR AUDIOVISUAL SERVICES SUPPLEMENTARY SERVICES FOR MULTIMEDIA MOBILITY AND COLLABORATION PROCEDURES Overview of Mobility and Collaboration, definitions, protocols and procedures Mobility for H-Series multimedia systems and services Mobile multimedia collaboration applications and services Security for mobile multimedia systems and services Security for mobile multimedia collaboration applications and services Mobility interworking procedures Mobile multimedia collaboration inter-working procedures For further details, please refer to the list of ITU-T Recommendations. H.100–H.199 H.200–H.219 H.220–H.229 H.230–H.239 H.240–H.259 H.260–H.279 H.280–H.299 H.300–H.399 H.450–H.499 H.500–H.509 H.510–H.519 H.520–H.529 H.530–H.539 H.540–H.549 H.550–H.559 H.560–H.569 ITU-T Recommendation H.248.3 Gateway control protocol: User interface elements and actions packages Summary The packages in this Recommendation 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, specific extension packages for telephone keypads and telephone function keys are defined. NOTE – This Recommendation has been renumbered. It was previously known as ITU-T Rec. H.248, Annex G. Source ITU-T Recommendation H.248.3 was prepared by ITU-T Study Group 16 (2001-2004) and approved under the WTSA Resolution 1 procedure on 17 November 2000. ITU-T Rec. H.248.3 (11/2000) i FOREWORD The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. 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 standardizing 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 covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-T's 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 indicate both a telecommunication administration and a recognized operating agency. INTELLECTUAL PROPERTY 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 asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementors are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database.  ITU 2002 All rights reserved. No part of this publication may be reproduced, by any means whatsoever, without the prior written permission of ITU. ii ITU-T Rec. H.248.3 (11/2000) CONTENTS Page 1 Scope ............................................................................................................................ 1 2 References .................................................................................................................... 1 3 Display Package ........................................................................................................... 3.1 Properties........................................................................................................ 3.2 Events ............................................................................................................. 3.3 Signals ....................................

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