1、GSM - ?CHNICAL PECIFICATION GSM 03.83 December 1996 Version 5.0.0 Source: ETSI TC-SMG Reference: TS/SMG-O30383Q ICs: 33.020 Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM) GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS Digital cellular telecommunications
2、 system; Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 2 (GSM 03.83) ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Off ice address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE X.
3、400: c=fr, a=atlas, p=etsi, ,?.=secretariat - Internet: secretariatetsi.fr Tel.: +33 4 92 94 42 O0 - Fax: +33 4 93 65 47 16 Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. 8
4、 European Telecommunications Standards Institute 1996. All rights reserved. _ STD-ETSI GSfl 03-83-ENGL Lb P 3410855 OL527LL 285 Page 2 GCM 03.83 version 5.0.0: December 1996 Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or othe
5、rwise, may occur. If you have comments concerning its accuracy, please write to “ETSI Editing and Committee Support Dept.“ at the address shown on the title page. STD-ETSI GSM 03.83-ENGL L99b 3900655 0152712 111 W Page 3 GSM 03.83 version 5.0.0: December 1996 Contents Foreword . 5 O Scope . 7 o . 1
6、Normative references . 7 0.2 Abbreviations 7 1.2 1 Call waiting (CW) . 8 1.1 Handling of call waiting . 8 1.1.1 Activation . 8 1 . 1 . 2 Deactivation . 8 1.1.3 Interrogation . 9 Functions and information flows 1 0 1.2.1 Description of overall SDL-diagram of call waiting . 11 Behaviour during the “Pe
7、nding Ack state 11 Behaviour during the “Waiting“ State . 12 1.3 Information stored in the HLR . 31 1.4 State transition model 31 1.5 Transfer of information from HLR to VLR . 32 1.6 Information stored in the VLR . 32 1.7 Handover 32 1.2.1.1 1.2.1.2 2 Call hold (HOLD) . 33 2.1 Functions and informat
8、ion flows 33 2.2 Information stored in the HLR . 41 2.3 State transition model 41 2.4 Transfer of information from HLR to VLR . 41 2.5 Information stored in the VLR . 41 2.6 Handover 41 History . 42 STD-ETSI GSfl 03.83-ENGL Lqqb 8 3400855 DL527L3 058 Page 4 GSM 03.83 version 5.0.0: December 1996 Bla
9、nk page STD-ETSI GSM 03-83-ENGL L77b = 3400855 OL527Lq Tqq Page 5 GSM 03.83 version 5.0.0: December 1996 Foreword This Global System for Mobile communications Technical Specification (GTS) has been produced by the Special Mobile Group (SMG) Technical Committee (TC) of the European Telecommunications
10、 Standards Institute (ETSI). This GTS defines the stage 2 of the Call Waiting (CW) and Call Hold (HOLD) supplementary services within the digital cellular telecommunications system. The contents of this GTS are subject to continuing work within TC-SMG and may change following formal TC-SMG approval.
11、 Should TC-SMG modify the contents of this GTS it will then be republished by ETSI with an identifying change of release date and an increase in version number as follows: Version 5.x.y where: y the third digit is incremented when editorial only changes have been incorporated in the specification; x
12、 the second digit is incremented for all other types of changes, .e. technical enhancements, corrections, updates, etc. The specification from which this GTS has been derived was originally based on CEPT documentation, hence the presentation of this GTS may not be entirely in accordance with the ETS
13、VPNE rules. _ STDSETSI GSM 03.83-ENGL 199b 3q00855 0152715 920 Page 6 GSM 03.83 version 5.0.0: December 1996 Blank page STD-ETSI GSM 03.83-ENGL L99b m 3400855 OL5271b Ab7 m Page 7 GSM 03.83 version 5.0.0: December 1996 o scope This Global System for Mobile communications Technical Specification (GTS
14、) gives the stage 2 description of the call completion supplementary services. The group of call completion supplementary services is divided into the following two supplementary services: - Call waiting (CW) (clause 1); - Call hold (HOLD) (clause 2). 0.1 Normative references This GTS incorporates b
15、y dated and undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this GTS only whe
16、n incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. t41 0.2 Abbreviations GSM O1 .O4 (ETR 350): “Digital cellular telecommunications system (Phase 2+); Abbreviations and acronyms“. GSM 02.82: “Digital cellular telecommunic
17、ations system; Call Forwarding (CF) Supplementary Services - Stage 1 I. GSM 03.1 1 (ETS 300 928): “Digital cellular telecommunications system; Technical realization of supplementary services“. GSM 04.08 (ITS 300 940): “Digital cellular telecommunications system (Phase 2+); Mobile radio interface lay
18、er 3 specification“. Abbreviations used in this GTS are listed in GSM 01.04. STD-ETSI GSM 03.83-ENGL L77b m 3400855 CIL527L7 7T3 m Page 8 GSM 03.83 version 5.0.0: December 1996 1 Call waiting (CW) 1.1 Handling of call waiting 1.1.1 Activation The call waiting supplementary service is activated at th
19、e request of the user. The activation request indicates the basic services to which the activation request refers. The information flow for activation of call waiting is shown in figure 1.1. MS MSC VLR Activate CW Release Complett Acknowledge Figure 1.2: Deactivation of call waiting STD-ETSI GSM 03-
20、83-ENGL 379b 3400855 0352738 b3T Page9 interrogate CW Release Complete Ac know ledge ;rg initiate I _- activation is checked for the basic service I VLR r:TING LIL A-B tuner T3 expires -B WA T NG OK C-B :TING/CALL disconnect (user aler no answer) MSC Ms retrieve retrieve ack (AB) I retrieve reject N
21、OTE 5: NOTE 6: The call shall be forwarded on mobile subscriber busy at this stage if activated. The call shall be forwarded on no reply. Figure 1.6 (sheet 5 of 7): Information flow for call waiting STD-ETSI GSM 03-83-ENGL 177b 3400855 0352738 428 Page 29 GSM 03.83 version 5.0.0: December 1996 xt wa
22、iting RLL C-B AC- TEa LEa TEC LEC VLR disconnect demand (A, disconnect ack (AB) L an cc .L ACTIV o ten IVE D- AC+ CA na A$ U I , C-B Ihelc ?(rum :ING/CALL 11 iisconnect demand - LL CLEARIN TING HELD disconnect demand VLR MSC MS disconnect Figure 1.6 (sheet 7 of 7): Information flow for call waiting
