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1、JOINT INTERIM STANDARD GMR-2 Series 04 (04.083) Radio Interface Protocol Specifications - Call Waiting (CW) and Call Holding (HOLD) Supplementary Services IS-J-STD-781-Series 4 NOVEMBER 2001 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Rcprewnting the telennimunicationv indusiry in aysociaion with the El
2、ectronic Indusiria Alliance Elsctron ic Ind wtries. Allia nee EUROPEAN TELECOMMUNICATIONS STANDARDS INSTITUTE Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 02:58:18 MDTNo reprodu
3、ction or networking permitted without license from IHS -,-,- NOTICE FROM THE TELECOMMUNICATIONS INDUSTRY ASSOCIATION TIA/EIA Engineering Standards and hblications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interc
4、hangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such Standards and hblications shall not in any respect preclude any member or nonmember of TIA/EIA from manufacturing or selli
5、ng products not conforming to such Standards and hblications, nor shall the existence of such Standards and hblications preclude their voluntary use by those other than TIA/EIA members, whether the standard is to be used either domestically or internationally. Standards and hblications are adopted b
6、y TIA/EIA in accordance with the American National Standards Institute (ANSI) patent policy. By such action, TIA/EIA does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the Standard or hblication. Note: The users attention is called to th
7、e possibiliS, that compliance with this document may require use o f one or more inventions covered by patent rights. By publication o f this standard, Interim Standard, or TSB, no position is taken with respect to the validio o f those claims or o f any patent rights in connection therewith. The pa
8、tent holder) so far identified have, however, filed statements o f willingness to grant licenses under those rights on reasonable and nondiscriminatory terms and conditions to applicants desiring to obtain such licenses. Details may be obtained from the standards developer. TIA/EIA AND JOINT INTERIM
9、 STANDARDS Joint Interim Standards contain information deemed to be of technical value to the industry, and are published at the request of the originating Committee without necessarily following the rigorous public review and resolution of comments which is a procedural part of the development of a
10、n American National Standard (ANS). Interim Standards should be reviewed on a periodic basis by the formulating Committee and a decision made on whether to proceed to develop a TIA/EIA Standard on this subject. Interim Standards must be upgraded or cancelled by the Committee before the end of their
11、third year of existence. hblication of this Joint Interim Standard for trial use and comment has been approved by the Telecommunications Industry Association. Distribution of this Joint Interim Standard for comment shall not continue beyond 36 months from the date of publication. It is expected that
12、 following this 36 month period, this Joint Interim Standard, revised as necessary, will be submitted to the American National Standards Institute for approval as an American National Standard. Suggestions for revision should be directed to: Standards the second digit (m) is incremented for all othe
13、r types of changes, i.e. technical enhancements, corrections, updates, etc. Intellectual Property Rights The users attention is called to the possibility that compliance with this Interim Standard may require use of an invention covered by patent rights. By publication of this Interim Standard, no p
14、osition is talten with respect to the scope or validity of such patent claims or of any patent rights in connection therewith. One or more parties have notified the TIA that they hold patent rights applicable to this Interim Standard. Each patent holder has, however, filed a statement of willingness
15、 to grant a license under these rights on reasonable and nondiscriminatory terms and conditions to applicants desiring to obtain such licenses. A copy of the statement may be obtained from the TIA. CW and HOLD supplementary services Stage 3 V Copyright Telecommunications Industry Association Provide
16、d by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 02:58:18 MDTNo reproduction or networking permitted without license from IHS -,-,- TINEIA IS-781.04.083 vi Copyright Telecommunications Industry Association Provided by IHS under license wi
17、th EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 02:58:18 MDTNo reproduction or networking permitted without license from IHS -,-,- TINEIA IS-781.04.083 1 Scope This specification should be read in conjunction with GSM 04.83 2 which specifies the stage 3 descript
18、ion of the call completion supplementary services. The original text in GSM 04.83 2 is fully applicable to the GMR-2 system except for the modified text shown in Section 4 of this specification. 2 Refe re nces The following documents contain provisions which, through reference in this text, constitu
19、te provisions of the present document. References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, subsequent revisions do apply. il 21 GMR-2 01.00
20、4: “GE0 Mobile Radio interface specification; Abbreviations and acronyms“. Note: This document is not yet published GSM 04.83 (V4.6.1): “Digital cellular telecommunications system; Call Waiting (CW) and Call Hold (HOLD) supplementary services Stage 3“. 3 Abbreviations For the purposes of the present
21、 document, all abbreviations are listed in GMR-2 O 1.004 11 CW and HOLD supplementary services Stage 3 1 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 02:58:18 MDTNo reproduction
22、 or networking permitted without license from IHS -,-,- TINEIA IS-781.04.083 4 Ge ne ra I The GMR-2 system shall provide limited support of Call waiting (CW) and Call Hold (HOLD) supplementary services when more than one MES is involved in this process. When an MES is engaged in a single-hop MES-to-
23、MES connection with another MES, the network will not support CW and HOLD supplementary services to either of these users. Hence, GSM 04.83 2 is fully applicable with the following modification to GSM 04.83 2 sub-sections 1.3.5 (new sub-section) and 2.1.1 (additional text) 2. 4.1 Call Waiting (CW) 4
24、.1 .I This section is fully applicable with the addition of the new sub-section shown in 4.1.1 below. Incoming call from subscriber C when subscribers A and B are GMR Mobile subscribers If both subscribers A and B are in a mobile to mobile call, then subscriber C shall be given a busy indication, un
25、less e.g. Call Forwarding applies. 4.2 Call Hold (CH) 4.2.1 Hold and retrieve functions This section is fully applicable with the addition of the new text shown in 4.2.1 below. The following additional text applies: “A GMR mobile subscriber may not hold a call from another GMR mobile subscriber“. 2 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/30/2007 02:58:18 MDTNo reproduction or networking permitted without license from IHS -,-,-