ITU-T H 450 8-2013 Name identification supplementary service for ITU-T H 323 systems (Study Group 16)《ITU-T H 323系统名称识别补充业务 16号研究组》.pdf

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1、 International Telecommunication Union ITU-T H.450.8TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (03/2013) SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMSInfrastructure of audiovisual services Supplementary services for multimedia Name identification supplementary service for ITU-T H.323 systems Rec

2、ommendation ITU-T H.450.8 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 Communicati

3、on 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 architecture for audiovisual and mult

4、imedia 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 multimedia collaboration a

5、pplications 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 BROADBA

6、ND, TRIPLE-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.7

7、00H.719 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 t

8、o the list of ITU-T Recommendations. Rec. ITU-T H.450.8 (03/2013) i Recommendation ITU-T H.450.8 Name identification supplementary service for ITU-T H.323 systems Summary Recommendation ITU-T H.450.8 describes Name Identification features for ITU-T H.323 systems. These features are: Calling Party Na

9、me Presentation and Restriction. Connected Party Name Presentation and Restriction. Alerting Party Name Presentation and Restriction. Busy Party Name Presentation and Restriction. Calling party name information may be provided by the calling endpoint or by the gatekeeper using the gatekeeper routed

10、call model. Connected party name information, alerting party name information, or busy party name information may be provided by the answering (connected) party, alerting party, or busy party, respectively, or by the gatekeeper using the gatekeeper routed call model. This revision incorporates a new

11、 error code 507 to indicate “Unknown Control Association“ and a modification to error code 511 to allow it to be sent from a media gateway. History Edition Recommendation Approval Study Group 1.0 ITU-T H.450.8 2000-02-17 16 2.0 ITU-T H.450.8 2013-03-16 16 ii Rec. ITU-T H.450.8 (03/2013) FOREWORD The

12、 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 permanent organ of ITU. ITU-T is responsible for studying technic

13、al, 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

14、 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 standards are prepared on a collaborative basis with ISO and IEC.

15、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 Recommendation may contain certain mandatory provisions (to ensur

16、e, 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 equivalents are used to express requirements. The use of such words does

17、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 claimed Intellectual Property Right. ITU takes no position concerning

18、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 received notice of intellectual property, protected by patents,

19、 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-T/ipr/. ITU 2013 All rights reserved. No part of this publicati

20、on may be reproduced, by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T H.450.8 (03/2013) iii Table of Contents Page 1 Scope 1 2 References. 1 3 Definitions 1 4 Abbreviations and acronyms 1 5 Description 1 5.1 Calling Party Name Presentation 1 5.2 Calling Party Name Re

21、striction 2 5.3 Connected Party Name Presentation 2 5.4 Connected Party Name Restriction 2 6 Messages and information elements . 2 6.1 Calling Party Name Information 2 6.2 Connected Party Name Information . 2 6.3 Alerting Party Name Information . 3 6.4 Busy Party Name Information 3 7 Actions at the

22、originating endpoint. 3 7.1 Gateway as originating endpoint 3 7.2 Terminal or MCU as originating endpoint . 3 8 Actions at the terminating endpoint 4 8.1 Gateway as terminating endpoint . 4 8.2 Terminal or MCU as terminating endpoint 4 9 Actions at a gatekeeper . 4 9.1 Gateway as originating endpoin

23、t 4 9.2 Terminal or MCU as originating endpoint . 4 9.3 Gateway as terminating endpoint . 5 9.4 Terminal or MCU as terminating endpoint 5 Annex A Operations in support of identification services 6 Rec. ITU-T H.450.8 (03/2013) 1 Recommendation ITU-T H.450.8 Name identification supplementary service f

24、or ITU-T H.323 systems 1 Scope This Recommendation specifies the Name Identification supplementary service, which is applicable to various basic services supported by ITU-T H.323 system elements. 2 References The following ITU-T Recommendations and other references contain provisions which, through

25、reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are subject to revision; users of this Recommendation are therefore encouraged to investigate the possibility of applying the

26、most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. The reference to a document within this Recommendation does not give it, as a stand-alone document, the status of a Recommendation. ITU-T H.225.0

27、Recommendation ITU-T H.225.0 (2009), Call signalling protocols and media stream packetization for packet-based multimedia communication systems. ITU-T H.323 Recommendation ITU-T H.323 (2009), Packet based multimedia communications systems. ITU-T H.450.1 Recommendation ITU-T H.450.1 (2011), Generic f

28、unctional protocol for the support of supplementary services in ITU-T H.323 systems. ISO/IEC 10646-1 ISO/IEC 10646-1:1993, Information technology Universal Multiple-Octet Coded Character Set (UCS) Part 1: Architecture and Basic Multilingual Plane. 3 Definitions None. 4 Abbreviations and acronyms Thi

29、s Recommendation uses the following abbreviations and acronyms: APDU Application Protocol Data Unit ASN.1 Abstract Syntax Notation One NFE Network Facility Extension 5 Description 5.1 Calling Party Name Presentation Calling Party Name Presentation is a feature which provides the name of the calling

30、party to the called party. The calling party name may be provided by the calling endpoint or by the gatekeeper for gatekeeper routed calls that originate in the packet network. When the call is routed through the gatekeeper with which the calling endpoint is registered, that gatekeeper may provide a

31、 screening service that assures the name provided is actually that of the calling party. The gatekeeper may also provide the calling party name when no name is provided by the calling party, or when the calling 2 Rec. ITU-T H.450.8 (03/2013) party provides a false name. The method by which a gatekee

32、per obtains the name information is implementation dependent and outside the scope of this Recommendation. When a call originates in the switched circuit network and enters the packet network through a gateway, the gateway shall pass to the packet network the calling party name information provided

33、from the switched circuit network. 5.2 Calling Party Name Restriction Calling Party Name Restriction is a feature which allows the calling user, or the calling users gatekeeper, to restrict presentation of the calling party name to the called party. This feature may reside in the endpoint or in the

34、gatekeeper for gatekeeper routed calls. In some cases where Calling Party Name Restriction has been indicated, there may exist certain situations where the restriction is overridden (for example, if the called party provides some emergency service). 5.3 Connected Party Name Presentation Connected Pa

35、rty Name Presentation is a feature which provides the name of the connected party to the calling party. The connected party name may be provided by the connected endpoint or by the gatekeeper for gatekeeper routed calls. When the call is routed through the gatekeeper with which the connected endpoin

36、t is registered, that gatekeeper may provide a screening service that assures the name provided is actually that of the connected party. The gatekeeper may also provide the connected party name when no name is provided by the connected party, or when the connected party provides a false name. The me

37、thod by which a gatekeeper obtains the name information is implementation dependent and outside the scope of this Recommendation. Also included is the optional presentation to the calling party of the alerting partys name or of the name of the called party which is busy. The operation for alerting p

38、arty name presentation and busy party name presentation is similar to connected party name presentation. 5.4 Connected Party Name Restriction Connected Party Name Restriction is a feature which allows the connected user, or the connected users gatekeeper, to restrict presentation of the connected pa

39、rty name to the calling party. This feature may reside in the endpoint or in the gatekeeper for gatekeeper routed calls. The operation for alerting party name restriction and busy party name restriction is similar to connected party name presentation. 6 Messages and information elements 6.1 Calling

40、Party Name Information Calling Party Name Information shall be sent within h4501SupplementaryService APDUs contained within the ITU-T H.225.0 Setup message. APDU content is for the callingName operation defined in Name-Operations found in Annex A. When conveying the invoke APDU of operations defined

41、 in Name-Operations, the destinationEntity data element of the NFE shall contain the value “endpoint“. NOTE The h4501SupplementaryService APDU structure is defined in Table 3 of ITU-T H.450.1. 6.2 Connected Party Name Information Connected Party Name Information shall be sent within h4501Supplementa

42、ryService APDUs contained within the ITU-T H.225.0 Connect message. APDU content is for the connectedName operation defined in Name-Operations found in Annex A. Rec. ITU-T H.450.8 (03/2013) 3 When conveying the invoke APDU of operations defined in Name-Operations, the destinationEntity data element

43、of the NFE shall contain the value “endpoint“. NOTE The h4501SupplementaryService APDU structure is defined in Table 3 of ITU-T H.450.1. 6.3 Alerting Party Name Information Alerting Party Name Information shall be sent within h4501SupplementaryService APDUs contained within the ITU-T H.225.0 Alertin

44、g message. APDU content is for the alertingName operation defined in Name-Operations found in Annex A. When conveying the invoke APDU of operations defined in Name-Operations, the destinationEntity data element of the NFE shall contain the value “endpoint“. NOTE The h4501SupplementaryService APDU st

45、ructure is defined in Table 3 of ITU-T H.450.1. 6.4 Busy Party Name Information Busy Party Name Information shall be sent within h4501SupplementaryService APDUs contained within the ITU-T H.225.0 Release Complete message. APDU content is for the busyName operation defined in Name-Operations found in

46、 Annex A. When conveying the invoke APDU of operations defined in Name-Operations, the destinationEntity data element of the NFE shall contain the value “endpoint“. NOTE The h4501SupplementaryService APDU structure is defined in Table 3 of ITU-T H.450.1. 7 Actions at the originating endpoint 7.1 Gat

47、eway as originating endpoint The calling partys name shall be obtained from the available signalling from the other network and transmitted in the ITU-T H.323 environment as described above in clause 6.1. If no name can be obtained, then the Name element in the callingName operation shall indicate n

48、ameNotAvailable. If the name can be obtained, but its presentation is marked as restricted, then the Name element in the callingName operation shall indicate namePresentationRestricted. If the name can be obtained and there exist no restrictions on its presentation, then the Name element in the call

49、ingName operation shall indicate namePresentationAllowed. Name information available from the ITU-T H.323 environment in an ITU-T H.225.0 Connect, Alerting, or Release Complete (to indicate busy users name) message shall be converted to the signalling format of the other network. 7.2 Terminal or MCU as originating endpoint For calls originated on the packet network, the originating terminal or MCU may send a Setup message as described above in clause 6.1. If presentation of the name to the called part