1、 ETSI TS 1Digital cellular telecoUniversal Mobile TelLocal Ca(3GPP TS 23.2TECHNICAL SPECIFICATION123 284 V13.0.0 (2016communications system (Phaelecommunications System (Call Local Switch (LCLS); Stage 2 .284 version 13.0.0 Release 13GLOBAL SYSTEMOBILE COMMUN16-01) hase 2+); (UMTS); 13) TEM FOR ICAT
2、IONSRETSI ETSI TS 123 284 V13.0.0 (2016-01)13GPP TS 23.284 version 13.0.0 Release 13Reference RTS/TSGC-0423284vd00 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 00017 - NAF 742 C Association bu
3、t non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print version
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7、s authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All rights reserved. DECT
8、TM, PLUGTESTSTM, UMTSTMand the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM A
9、ssociation. ETSI ETSI TS 123 284 V13.0.0 (2016-01)23GPP TS 23.284 version 13.0.0 Release 13Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available fo
10、r 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 Secretariat. Latest updates are available on the ETSI Web server (http
11、s:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essen
12、tial to the present document. Foreword This Technical Specification (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 interpre
13、ted as being references to the corresponding ETSI deliverables. 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“,
14、 “will“, “will not“, “can“ and “cannot“ are to be interpreted 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 123 284 V13.0.0 (2016-01)3
15、3GPP TS 23.284 version 13.0.0 Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 11g31 Scope 12g32 References 12g33 Definitions, symbols and abbreviations . 13g33.1 Definitions 13g33.2 Symbols 13g33.3 Abbreviations . 13g34 Main Concepts 13g34.1 Gen
16、eral . 13g34.2 LCLS Negotiation 14g34.2.1 General concept of LCLS negotiation 14g34.2.2 (void) 17g34.2.3 (void) 17g34.2.4 General concept of LCLS Configuration Preference Modification 17g34.3 LCLS Call Leg Correlation 19g34.3.1 General 19g34.3.2 Optional Intra-Network Call Detection. 19g34.3.2.1 Gen
17、eral 19g34.3.2.2 Intra-Network Call Detection within the tMSC server 19g34.3.2.3 Intra-Network Call Detection within the tBSS 20g34.3.3 Optional Intra-BSS Call Detection . 20g34.3.3.1 General 20g34.3.3.2 Intra-BSS Call Detection within the tMSC server 20g34.3.3.3 Intra-BSS Call Detection within the
18、tBSS 21g34.4 LCLS Connection Control 21g34.5 LCLS Status Reporting 21g34.5.1 LCLS BSS Status between BSS and Core Network . 21g34.5.2 LCLS Status within the Core Network . 22g34.6 User Plane when LCLS is Active . 23g34.6.1 General 23g34.6.2 LCLS Configuration . 23g35 General Circuit Switched Core Ne
19、twork Domain Architecture . 23g36 Call Establishment 24g36.1 Basic Mobile Originating Call 24g36.1.1 Basic Mobile Originating Call with BICC based CS core network 24g36.1.1.1 General 24g36.1.1.2 Initial Addressing 24g36.1.1.3 Access Bearer Assignment 24g36.1.1.3.1 Assignment performed after LCLS Neg
20、otiation through Core Network . 24g36.1.1.3.2 Assignment performed before LCLS Negotiation . 24g36.1.1.3.3 oBSS behavior . 24g36.1.1.4 Backward LCLS Negotiation 24g36.1.1.5 LCLS Through-Connection 25g36.1.1.6 LCLS Status Reporting . 25g36.1.1.7 MGW/User plane 25g36.1.2 Basic Mobile Originating Call
21、with SIP-I based CS core network . 25g36.1.2.1 General 25g36.1.2.2 Initial Addressing 26g3ETSI ETSI TS 123 284 V13.0.0 (2016-01)43GPP TS 23.284 version 13.0.0 Release 136.1.2.3 Access Bearer Assignment 26g36.1.2.4 Backward LCLS Negotiation 26g36.1.2.5 LCLS Through-Connection 26g36.1.2.6 LCLS Status
22、Reporting . 26g36.1.2.7 MGW/User plane 26g36.2 Basic Mobile Terminating Call 26g36.2.1 Basic Mobile Terminating Call with BICC based CS core network . 26g36.2.1.1 General 26g36.2.1.2 Actions at Intermediate Nodes (including GMSC) . 26g36.2.1.2.1 Initial Addressing 26g36.2.1.2.2 Backward LCLS Negotia
23、tion 27g36.2.1.2.3 Through-Connection 27g36.2.1.2.4 LCLS Status Reporting within CN 27g36.2.1.2.5 MGW/User plane. 27g36.2.1.3 Actions at Terminating Call side . 27g36.2.1.3.1 Initial Addressing 27g36.2.1.3.2 Backward LCLS Negotiation 27g36.2.1.3.3 Access Bearer Assignment 28g36.2.1.3.4 LCLS Through-
24、Connection . 28g36.2.1.3.5 LCLS Status Reporting 28g36.2.1.3.6 MGW/User plane. 28g36.2.2 Basic Mobile Terminating Call with SIP-I based CS core network 28g36.2.2.1 General 28g36.2.2.2 Actions at Intermediate Nodes (including GMSC) . 29g36.2.2.2.1 Initial Addressing 29g36.2.2.2.2 Backward LCLS Negoti
25、ation 29g36.2.2.2.3 Through-Connection 29g36.2.2.2.4 LCLS Status Reporting within CN 29g36.2.2.2.5 MGW/User plane. 29g36.2.2.3 Actions at Terminating Call side . 29g36.2.2.3.1 Initial Addressing 29g36.2.2.3.2 Backward LCLS Negotiation 29g36.2.2.3.3 Access Bearer Assignment 29g36.2.2.3.4 LCLS Through
26、-Connection . 29g36.2.2.3.5 LCLS Status Reporting 29g36.2.2.3.6 MGW/User plane. 29g36.3 Basic Mobile to Mobile End to End Call Examples . 30g36.3.1 Basic Call Establishment Connection Model for LCLS . 30g36.3.2 LCLS established, Basic Call Example with BICC based CS core network, forward bearer esta
27、blishment 31g36.3.3 LCLS not established, Basic Call Example with BICC based CS core network 36g36.3.4 LCLS established, Basic Call Example with SIP-I based CS core network . 38g36.3.5 LCLS established, Basic Call Example with BICC based CS core network, backward bearer establishment 44g37 Call Clea
28、ring and LCLS Break/Re-establishment 47g37.1 Call Clearing 47g37.2 LCLS Break 47g37.2.1 MSC server Initiated . 47g37.2.1.1 Principles . 47g37.2.1.2 MSC server actions . 48g37.2.1.3 GMSC server actions 48g37.2.1.4 BSS actions . 48g37.2.2 BSS Initiated . 49g37.2.2.1 Principles . 49g37.2.2.2 Immediate
29、LCLS break . 49g37.2.2.2.1 BSS actions 49g37.2.2.2.2 MSC server actions 49g37.2.2.2.3 GMSC server actions . 49g37.2.2.3 BSS Requesting LCLS Release from Core Network 49g37.2.2.3.1 BSS actions 49g37.2.2.3.2 MSC server actions 50g3ETSI ETSI TS 123 284 V13.0.0 (2016-01)53GPP TS 23.284 version 13.0.0 Re
30、lease 137.2.2.3.3 GMSC server actions . 50g37.2.3 Intermediate Node/GMSC Server Initiated . 50g37.2.3.1 Principles . 50g37.2.3.2 Intermediate Node/GMSC server actions 50g37.2.3.3 MSC server actions . 50g37.2.3.4 BSS actions . 51g37.2.4 LCLS Break Example Call Flows . 51g37.2.4.1 LCLS Break Connectio
31、n Model for LCLS . 51g37.2.4.2 MSC server Initiated . 52g37.2.4.3 BSS Initiated, Immediate LCLS Break . 53g37.2.4.4 BSS Initiated, LCLS Break requested from Core Network. 54g37.2.4.5 Intermediate Node/GMSC Server Initiated . 56g37.2.4.6 MSC server Initiated when Access Side Termination is isolated i
32、n MGW . 58g37.3 LCLS Re-establishment . 59g37.3.1 MSC server Initiated . 59g37.3.1.1 Principles . 59g37.3.1.2 MSC server actions . 59g37.3.1.2.1 LCLS re-establishment to the network side . 59g37.3.1.2.2 LCLS re-establishment to the BSS 59g37.3.1.2.3 LCLS Status update to the network side 59g37.3.1.3
33、 GMSC server actions 59g37.3.1.4 BSS actions . 60g37.3.2 BSS Initiated . 60g37.3.3 Intermediate Node / GMSC Server Initiated . 60g37.3.3.1 Principles . 60g37.3.3.2 Intermediate Node / GMSC server actions 60g37.3.3.3 MSC server actions . 60g37.3.3.4 BSS actions . 61g37.3.4 LCLS Re-establishment Examp
34、le Call Flows. 61g37.3.4.1 LCLS Re-establishment Connection Model for LCLS . 61g37.3.4.2 MSC server Initiated Example Call Flow . 61g37.3.4.3 Intermediate Node / GMSC Server Initiated Example Call Flow . 63g37.3.4.4 MSC server Initiated when Access Side Termination is isolated in MGW . 64g38 Handove
35、r/Relocation 65g38.1 UMTS to UMTS . 65g38.2 UMTS to GSM . 66g38.2.1 General 66g38.2.2 Intra-MSC UMTS to GSM Handover . 66g38.2.2.1 Intra-MSC UMTS to GSM Handover that establishes Local Switching . 66g38.2.2.1.1 General 66g38.2.2.1.2 Relocation Required 66g38.2.2.1.3 Handover Request Acknowledge 66g3
36、8.2.2.1.4 Handover Complete . 66g38.2.2.1.5 Example . 66g38.2.2.1.5.1 Connection Model 66g38.2.2.1.5.2 Basic Sequence for Intra-MSC UMTS to GSM Handover that establishes Local Switching 69g38.2.2.2 Intra-MSC UMTS to GSM Handover that does not establish LCLS 70g38.2.3 Inter-MSC UMTS to GSM Handover .
37、 70g38.2.3.1 Inter-MSC UMTS to GSM Handover that establishes Local Switching . 70g38.2.3.1.1 General 70g38.2.3.1.2 MSC-1 / MGW-1 . 70g38.2.3.1.2.1 Relocation Required. 70g38.2.3.1.2.1 Relocation Required. 70g38.2.3.1.2.2 Handover Request Acknowledge . 70g38.2.3.1.2.3 Bearer establishment between MGW
38、-1 and Target MGW 71g38.2.3.1.2.4 MGW Flow Direction Control . 71g38.2.3.1.2.5 Relocation Command/Handover Detect 71g38.2.3.1.2.6 Handover Complete . 71g38.2.3.1.3 Target MSC Server / Target MGW . 71g38.2.3.1.3.1 Prepare Handover Request message and MGW selection . 71g38.2.3.1.3.2 Handover Request A
39、cknowledge . 71g3ETSI ETSI TS 123 284 V13.0.0 (2016-01)63GPP TS 23.284 version 13.0.0 Release 138.2.3.1.3.3 Bearer establishment towards Target BSS . 71g38.2.3.1.3.4 Bearer establishment between MGW-1 and Target MGW 71g38.2.3.1.3.5 Handover Complete . 71g38.2.3.1.4 Example of Inter-MSC UMTS to GSM H
40、andover that establishes Local Switching 72g38.2.3.1.4.1 Connection Model 72g38.2.3.1.4.2 Basic Sequence for Inter-MSC UMTS to GSM Handover that establishes Local Switching 73g38.2.3.2 Inter-MSC UMTS to GSM Handover that does not establish Local Switching 77g38.3 GSM to UMTS . 77g38.3.1 Intra-MSC GS
41、M to UMTS Relocation . 77g38.3.1.1 General 77g38.3.1.2 Handover Required . 77g38.3.1.3 Iu Relocation Request Acknowledge 77g38.3.1.4 Handover Command/Iu Relocation Detect . 77g38.3.1.5 Iu Relocation Complete . 78g38.3.1.6 Example 78g38.3.1.6.1 Connection Model . 78g38.3.2 Inter-MSC GSM to UMTS Reloc
42、ation . 84g38.3.2.1 General 84g38.3.2.2 MSC-1 / MGW-1 84g38.3.2.2.1 Handover Required 84g38.3.2.2.2 Iu Relocation Request Acknowledge. 84g38.3.2.2.3 Bearer establishment between MGW-1 and Target MGW 84g38.3.2.2.4 MGW Flow Direction Control 84g38.3.2.2.5 Handover Command/Iu Relocation Detect 84g38.3.
43、2.2.6 Iu Relocation Complete. 84g38.3.2.3 Target MSC Server / Target MGW . 85g38.3.2.3.1 Prepare Handover Request message and MGW selection . 85g38.3.2.3.2 Bearer establishment towards Target RNC . 85g38.3.2.3.3 Bearer establishment between MGW-1 and Target MGW 85g38.3.2.4 Example of Inter-MSC GSM t
44、o UMTS Relocation 85g38.3.2.4.1 Connection Model . 85g38.3.2.4.2 Basic Sequence for Inter-MSC handover that breaks Local Switching . 88g38.4 GSM to GSM . 92g38.4.1 Intra-MSC Inter-BSS GSM to GSM Handover 92g38.4.1.1 Intra-MSC Inter-BSS GSM to GSM Handover that breaks Local Switching . 92g38.4.1.1.1
45、General 92g38.4.1.1.2 Handover Required 92g38.4.1.1.3 MGW Flow Direction Control 92g38.4.1.1.4 Handover Request Acknowledge 93g38.4.1.1.5 Handover Command/Handover Detect 93g38.4.1.1.6 Handover Complete . 93g38.4.1.1.7 Example . 93g38.4.1.1.7.1 Connection Model 93g38.4.1.1.7.2 Basic Sequence for Int
46、er-BSS Handover that breaks Local Switching 96g38.4.1.2 Intra-MSC Inter-BSS GSM to GSM Handovers that establishes Local Switching . 98g38.4.1.2.1 General 98g38.4.1.2.2 Handover Required 98g38.4.1.2.3 Bearer establishment towards Target BSS 98g38.4.1.2.4 MGW Flow Direction Control 98g38.4.1.2.5 Hando
47、ver Request Acknowledge 98g38.4.1.2.6 Handover Command/Handover Detect 99g38.4.1.2.7 Handover Complete . 99g38.4.1.2.8 Example . 99g38.4.1.2.8.1 Connection Model 99g38.4.1.2.8.2 Basic Sequence for Inter-BSS Handover that establishes Local Switching . 101g38.4.2 Inter-MSC GSM to GSM Handover . 103g38
48、.4.2.1 Inter-MSC GSM to GSM Handover that breaks Local Switching 103g38.4.2.1.1 General 103g38.4.2.1.2 MSC-1 / MGW-1 . 103g38.4.2.1.2.1 Handover Required 103g38.4.2.1.2.2 Handover Request Acknowledge . 103g38.4.2.1.2.3 Bearer establishment between MGW-1 and Target MGW 104g3ETSI ETSI TS 123 284 V13.0
49、.0 (2016-01)73GPP TS 23.284 version 13.0.0 Release 138.4.2.1.2.4 MGW Flow Direction Control . 104g38.4.2.1.2.5 Handover Command/Handover Detect 104g38.4.2.1.2.6 Handover Complete . 104g38.4.2.1.3 Target MSC Server / Target MGW . 105g38.4.2.1.3.1 Prepare Handover Request message and MGW selection . 105g38.4.2.1.3.2 Handover Request Acknowledge . 105g38.4.2.1.3.3 Bearer establishment towards Target BSS . 105g38.4.2.1.3.4 Bearer establishment between MGW-1 and Target MGW 105g38.4.2.1.3.5 LCLS Negotiation in Initial Address message . 105g38.4.2.1.4 Example of Inter-MSC Handover t
