1、 ETSI TS 123 093 V15.0.0 (2018-07) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2 (3GPP TS 23.093 version 15.0.0 Release 15) TECHNICAL SPECIFICATION GLOBAL
2、 SYSTEM FOR MOBILE COMMUNICATIONSRETSI ETSI TS 123 093 V15.0.0 (2018-07)13GPP TS 23.093 version 15.0.0 Release 15Reference RTS/TSGC-0423093vf00 Keywords GSM,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 000
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9、o are trademarks registered and owned by the GSM Association. ETSI ETSI TS 123 093 V15.0.0 (2018-07)23GPP TS 23.093 version 15.0.0 Release 15Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The informatio
10、n pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI
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13、eing the property of ETSI, and conveys no right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specific
14、ation (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables
15、. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted
16、as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 123 093 V15.0.0 (2018-07)33GPP TS 23.093 version 15.0.0 Release 15Contents Intellectual
17、Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 Normative references . 6g33 Definitions and abbreviations . 6g33.1 Definitions 6g33.2 Abbreviations . 7g34 General . 7g34.1 Overview 7g34.2 Architecture 7g34.2.1 Architectural overview during roaming 8g35 Handling
18、 of completion of calls to busy subscriber . 9g35.1 CCBS Timers . 9g35.2 Information flows . 9g35.3 Activation . 14g35.4 Deactivation . 15g35.5 Interrogation . 16g35.6 Messages and their contents . 16g35.6.1 Information elements used in the messages 17g35.6.1.1 Call Information information element .
19、 17g35.6.1.2 AddressOfB information element . 17g35.6.1.3 CCBS Description information element 17g35.6.2 Messages between MS and MSC 18g35.6.3 Messages between MSC and VLR (B-interface) 19g35.6.3.1 Messages between MSC and VLR in the originating network . 19g35.6.3.2 Messages between MSC and VLR in
20、the destination network . 21g35.6.4 Messages between VLR and HLR (D-interface) 22g35.6.4.1 Messages between VLR and HLR in the originating network 22g35.6.4.2 Messages between VLR and HLR in the destination network 24g35.6.5 Messages between MSC and HLR (C-interface) 25g35.6.6 Messages between MSC -
21、 MSC (E-interface) 25g35.6.7 Existing parameters containing CCBS specific information . 25g36 Monitoring and CCBS Call Reporting . 26g36.1 Monitoring 26g36.1.1 Overview 26g36.1.2 Monitoring Subscriber B-state information 26g36.1.3 Monitoring Subscriber A state information: . 26g36.2 MSC/VLR Monitori
22、ng Model 27g36.2.1 Subscriber status . 27g36.2.1.1 Idle 28g36.2.1.2 Not Idle . 28g36.2.1.3 Not Reachable . 28g36.2.2 Reporting of subscriber state transitions . 29g36.2.2.1 Start Reporting of Monitoring Events . 29g36.2.2.2 Stop Reporting of Monitoring Events . 29g36.3 CCBS Call Reporting . 29g36.3.
23、1 Overview 29g36.3.2 Originating Network (A-side) . 30g36.3.3 Destination Network (B-side) . 30g36.3.3.1 Interaction of Event Reporting and CCBS Call Report . 30g36.4 Location Update . 30g3ETSI ETSI TS 123 093 V15.0.0 (2018-07)43GPP TS 23.093 version 15.0.0 Release 157 Mobility 31g37.1 Mobility duri
24、ng Activation . 31g37.2 Number used within CCBS Call . 31g37.3 MS does Location Update 31g37.4 Mobility during CCBS Call in the destination network . 31g38 Interaction with other supplementary services . 31g38.1 Call forwarding unconditional (CFU) 31g38.2 Call forward on busy (CFB) . 32g38.3 Call fo
25、rwarding on no reply (CFNRy) . 32g38.4 Call forwarding on MS not reachable (CFNRc) . 32g38.5 Call Waiting (CW) . 32g38.6 Multiparty service (MPTY) 32g38.7 Closed user group (CUG) . 32g38.8 Advice Of Charge (AoC) . 32g38.9 Barring of all outgoing calls (BAOC) 32g38.10 Barring of outgoing internationa
26、l calls (BOIC) 33g38.11 Barring of outgoing international calls except those directed to the home PLMN country (BOIC-exHC) 33g38.12 Barring of all incoming calls (BAIC) . 33g38.13 Barring of incoming calls when roaming outside the home PLMN country (BIC-Roam) . 33g38.14 Completion of calls to busy s
27、ubscriber (CCBS) . 33g39 Interaction with other network features 34g39.1 Customised Applications for Mobile network Enhanced Logic (CAMEL) . 34g39.2 Support of Optimal Routeing (SOR) 34g310 Interworking with other networks 35g310.1 Interworking with network entities not supporting CCBS . 35g310.1.1
28、CCBS not supported by MSC A . 35g310.1.2 CCBS not supported by HLR B 35g310.1.3 CCBS not supported by MSC B . 35g311 Network entity functions 37g311.1 Originating Network Processes 37g311.1.1 Processes and procedures in MSC/VLR . 37g311.1.2 Processes and procedures in HLR . 59g311.2 Destination Netw
29、ork Processes 90g311.2.1 Procedures in GMSC 90g311.2.2 Processes and procedures in HLR . 96g311.2.3 Procedures in MSC/VLR 126g311.3 Processes and procedures common in originating and destination network entities 138g312 Information stored in the HLRs 154g312.1 Originating Network Data 154g312.2 Dest
30、ination Network Data 154g312.3 Transfer of information from HLR to VLR 155g313 State transition model . 156g313.1 State transition model for the CCBS service in the originating network 156g313.2 State transition model for the CCBS service in the destination network 156g313.3 State transition model f
31、or a CCBS Request 157g313.4 Information stored in the VLRs 158g3Annex A (informative): Message flow diagrams showing a successful CCBS request . 159g3Annex B (informative): Change history . 163g3History 164g3ETSI ETSI TS 123 093 V15.0.0 (2018-07)53GPP TS 23.093 version 15.0.0 Release 15Foreword This
32、 Technical Specification has been produced by the 3GPP. This specification gives the stage 2 description of the Completion of Calls to Busy Subscriber (CCBS) supplementary service within the 3GPP system. The contents of the present document are subject to continuing work within the TSG and may chang
33、e following formal TSG approval. Should the TSG modify the contents of this TS, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version 3.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG fo
34、r approval; 3 Indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the specification; ETSI E
35、TSI TS 123 093 V15.0.0 (2018-07)63GPP TS 23.093 version 15.0.0 Release 151 Scope This Technical Specification gives the stage 2 description of the Completion of Calls to Busy Subscriber (CCBS) supplementary service. 2 Normative references The following documents contain provisions which, through ref
36、erence in this text, constitute 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, the latest ve
37、rsion applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document. 1 3GPP TR 21.905: “3G Vocabulary“. 2 3GPP TS 22.030: “Man Machine Interface (MMI) of
38、 the Mobile Station (MS)“. 3 3GPP TS 22.093: “Completion of calls to busy subscriber (CCBS) supplementary services - Stage 1“. 4 3GPP TS 23.011: “Technical realization of supplementary services - General Aspects“. 5 3GPP TS 23.018: “Basic Call Handling - Technical Realization“. 6 3GPP TS 23.078: “Cu
39、stomised Applications for Mobile network Enhanced Logic (CAMEL) - Stage 2“. 7 3GPP TS 23.079: “Support for Optimal Routeing (SOR) - Technical Realization“. 8 3GPP TS 24.008: “Mobile radio interface layer 3 specification; Core Network Protocols Stage3“. 9 3GPP TS 29.002: “Mobile Application Part (MAP
40、) specification“. 10 ETSI ETS 300 358: “ISDN Completion of Calls to Busy Subscriber (CCBS) supplementary service; Functional capabilities and information flows“. 3 Definitions and abbreviations 3.1 Definitions Destination B: The entity addressed in the original call set up, which is busy when first
41、called by subscriber A. Similarly, MSC B, VLR B and HLR B are the network elements pertaining to Destination B when Destination B is a GSM mobile. Originating queue: The queue that manages CCBS requests for a subscriber, when that subscriber is the originator of those CCBS Requests. SSAP: Supplement
42、ary Service Application Part. SSAP is the protocol used for CCBS procedures on the interface between the originating and destination network. Communication across this interface is performed using SCCP Connectionless Signalling (Refer to ETS 300 358). Subscriber A: The user of MS A, requesting CCBS.
43、 Similarly, MSC A, VLR A and HLR A are the network elements pertaining to Subscriber A. Subscriber B: The user of destination B, who may not necessarily subscribe to CCBS. ETSI ETSI TS 123 093 V15.0.0 (2018-07)73GPP TS 23.093 version 15.0.0 Release 15Subscriber C: The user of MS C, who is the forwar
44、ded-to-party when call forwarding applies. Similarly, MSC C, VLR C and HLR C are the network elements pertaining to Subscriber C. Target queue: The queue that manages CCBS requests for a subscriber, when that subscriber is the target of CCBS Requests. Timers: For each of the service timers, the loca
45、tion, start and stop conditions and action on expiry are given - Refer to subclause 5.1. 3.2 Abbreviations Abbreviations used in this specification are listed in 3GPP TR 21.905. 4 General 4.1 Overview The CCBS service allows a calling subscriber A, encountering a NDUB destination B, to be notified w
46、hen destination B becomes idle and to have the network automatically generate a CCBS call to destination B, if subscriber A desires. Subscriber A may make distinct CCBS requests for calls to the same destination B for different basic services. 4.2 Architecture Figure 4.2.1 is an architectural overvi
47、ew of the CCBS service when interworking between the originating and the destination networks involved. The originating network may be a mobile network or a fixed network and the destination network may also be a mobile network or a fixed network. The call related signalling for CCBS is performed on
48、 ISUP links on the following interfaces: VMSC A - GMSC B; VMSC A - DLE; OLE - GMSC B; whereas the specific CCBS procedures are performed via the SSAP protocol, which is signalled on the following interfaces: HLR A - HLR B; HLR A - DLE; OLE - HLR B. ETSI ETSI TS 123 093 V15.0.0 (2018-07)83GPP TS 23.0
49、93 version 15.0.0 Release 15Figure 4.2.1: Architectural overview showing common point of interworking 4.2.1 Architectural overview during roaming Either the originating subscriber A or the destination subscriber B or both may be located outside of their HPLMNs during the CCBS service. When all the involved networks support CCBS service the normal handling described in this specification applies. When some network entities do not support CCBS service refer to clause 10 where the exceptions are described in more detail. The signalling between different networ
