1、 ETSI TS 129 235 V15.0.0 (2018-07) Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Interworking between SIP-I based circuit-switched core network and other networks (3GPP TS 29.235 version 15.0.0 Release 15) TECHNICAL SPECIFICATION
2、 ETSI ETSI TS 129 235 V15.0.0 (2018-07)13GPP TS 29.235 version 15.0.0 Release 15Reference RTS/TSGC-0329235vf00 Keywords GSM,LTE,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
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9、nd owned by the GSM Association. ETSI ETSI TS 129 235 V15.0.0 (2018-07)23GPP TS 29.235 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 information pertaining to these essenti
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14、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. The cross reference between
15、 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 as described in clause 3.2 of
16、 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 129 235 V15.0.0 (2018-07)33GPP TS 29.235 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword .
17、 2g3Modal verbs terminology 2g3Foreword . 9g31 Scope 10g32 References 10g33 Definitions and abbreviations . 12g33.1 Definitions 12g33.2 Abbreviations . 12g34 Interworking between a SIP-I based circuit-switched core network and an external SIP-I based network . 14g34.1 Reference Model 14g34.2 Signall
18、ing Interworking of a Call from the external SIP-I based network towards the SIP-I based circuit-switched core network 15g34.2.1 Interworking of SIP-I messages received from external SIP-I network . 15g34.2.1.1 General 15g34.2.1.2 Call Release from external SIP-I network when encapsulated REL is mis
19、sing 15g34.2.2 Special Procedures for the reception of initial SIP INVITE requests . 15g34.2.2.1 Receipt of SIP INVITE request . 15g34.2.2.2 Receipt of SIP INVITE requests with SDP . 15g34.2.2.3 Receipt of SIP INVITE request without SDP . 15g34.2.2.4 MGW Selection . 16g34.2.3 Interworking of SIP-I m
20、essages received from succeeding 3GPP node . 16g34.2.4 Special Procedures for Profile Interworking . 16g34.2.4.1 Support of 100Rel . 16g34.2.4.2 Support for UPDATE method . 16g34.2.4.3 Support for Preconditions . 16g34.2.5 Support for Codec Negotiation . 17g34.2.6 Special Procedures for the receptio
21、n of SIP Re-INVITE requests 17g34.2.6.1 Receipt of SIP Re-INVITE request without SDP 17g34.3 Signalling Interworking of a Call from SIP-I based circuit-switched core network towards the external SIP-I based network . 18g34.3.1 Interworking of SIP-I messages received from preceding 3GPP node . 18g34.
22、3.1.1 General 18g34.3.1.2 Call Release from external SIP-I network when encapsulated REL is missing 18g34.3.2 Special Procedures for the reception of SIP INVITE requests . 18g34.3.3 Special Procedures for Profile Interworking . 18g34.3.3.1 Support of 100Rel . 18g34.3.3.2 Support for UPDATE method .
23、19g34.3.3.3 Support for Preconditions . 19g34.3.4 Support for Codec Negotiation . 20g34.3.5 MGW Selection 20g34.4 DMTF Signalling Interworking applicable for all Calls between an external SIP-I based network and a SIP-I based circuit-switched core network . 21g34.4.1 General 21g34.4.2 DTMF support i
24、n SDP offer sent to External SIP-I network 21g34.4.3 DTMF support in SDP offer received from External SIP-I network 22g34.5 User Plane Interworking . 22g34.5.1 General 22g34.5.2 DTMF Interworking . 23g34.6 Example Call flows 23g34.6.1 General 23g34.6.2 Incoming Call flows 23g34.6.2.1 Incoming Call -
25、 no preconditions in external network 23g3ETSI ETSI TS 129 235 V15.0.0 (2018-07)43GPP TS 29.235 version 15.0.0 Release 154.6.2.2 Incoming Call with preconditions not met 26g34.6.3 Outgoing Call flows 28g34.6.3.1 Outgoing Call with support for preconditions . 28g34.6.3.2 Outgoing Call with support of
26、 100rel but no support for preconditions . 30g34.6.3.3 Outgoing Call without support for 100rel and preconditions 32g35 Interworking between a SIP-I based circuit-switched core network and an ISUP based network . 34g35.1 Reference Model 34g35.2 Control Plane Interworking 34g35.3 Signalling Interwork
27、ing of a Call from the ISUP based network towards the SIP-I based circuit-switched core network 36g35.3.1 General 36g35.3.1.1 Sending of ISUP information to adjacent SIP nodes . 36g35.3.1.2 Receipt of encapsulated ISUP information within SIP-I . 36g35.3.1.3 Special procedures related to outgoing INV
28、ITE . 36g35.3.1.3.1 Overlap Signalling . 36g35.3.1.3.2 Coding of encapsulated ISUP IAM parameters in outgoing INVITE . 37g35.3.1.3.3 Media offered in SDP of outgoing INVITE 37g35.4 Signalling Interworking of a Call from SIP-I based circuit-switched core network towards the ISUP based network . 37g35
29、.4.1 General 37g35.4.2 Interworking of received ISUP messages to SIP messages 37g35.4.3 Interworking of received SIP messages to ISUP messages 37g35.4.3.1 Receipt of encapsulated ISUP information within SIP . 37g35.4.3.2 Special Procedures for the Reception of SIP INVITE request 38g35.4.3.2.1 Propag
30、ation of overlap signalling toward the 3GPP CS domain . 38g35.4.3.2.2 Derivation of TMR, USI and HLC parameters within sent IAM message 38g35.4.3.2.3 Receipt of SIP INVITE without SDP offer . 38g35.4.3.2.4 Special Procedures for deferred MGW selection procedure. . 38g35.5 Supplementary services 38g3
31、5.5.1 Special procedures for supplementary service interworking 38g35.5.2 Interworking of CLIP/CLIR supplementary service . 38g35.5.3 Interworking of Call Hold (HOLD) supplementary service . 38g35.5.4 Interworking of Completion of Calls to Busy Subscriber (CCBS) supplementary service to SIP networks
32、 38g35.6 User Plane Interworking . 39g35.6.1 General 39g35.6.2 DTMF . 39g35.7 Example Call flows 39g36 Interworking between a SIP-I based circuit-switched core network and a BICC based network 40g36.1 Reference Model 40g36.2 Control Plane Interworking 40g36.2.1 General 40g36.2.2 Signalling interacti
33、ons between network entities in the control plane 41g36.3 Signalling Interworking of a Call from the BICC based network towards the SIP-I based circuit-switched core network 41g36.4 Signalling Interworking of a Call from SIP-I based circuit-switched core network towards the BICC based network . 42g3
34、6.5 Supplementary services 42g36.6 Codec Negotiation between a BICC based network and a SIP-I based circuit-switched core network . 42g36.6.1 General 42g36.6.2 Codec Negotiation from SIP-I on Nc to BICC Network 42g36.6.2.1 Sending of IAM 42g36.6.2.2 Sending of SDP Answer 42g36.6.2.3 Mid-call Codec N
35、egotiation initiated from SIP-I on Nc . 43g36.6.3 Codec Negotiation from BICC Network to SIP-I on Nc 43g36.6.3.1 Sending of initial SDP Offer . 43g36.6.3.2 Responding to Serving Node initiating Codec Negotiation 43g36.6.3.3 Mid-call Codec Negotiation initiated from BICC . 43g36.7 DMTF Signalling Int
36、erworking applicable for all Calls between a BICC network and a SIP-I based circuit-switched core network 43g3ETSI ETSI TS 129 235 V15.0.0 (2018-07)53GPP TS 29.235 version 15.0.0 Release 156.7.1 General 43g36.7.2 DTMF transfer from SIP-I on Nc to BICC network (Out-of-Band DTMF) . 43g36.7.3 DTMF tran
37、sfer from BICC network (Out-of-Band DTMF) to SIP-I on Nc . 44g36.7.4 SIP-I on Nc interworking with BICC for Inband DTMF 45g36.8 User Plane Interworking . 45g36.8.1 General 45g36.8.2 DTMF Interworking . 45g36.9 Example Call flows 45g37 Interworking between a SIP-I based circuit-switched core network
38、and the IP Multimedia (IM) Core Network (CN) Subsystem 45g37.1 Reference Model 45g37.1.1 General 45g37.1.2 Signalling interactions between network entities in the control plane 46g37.2 Signalling Interworking of a Call from the IP Multimedia Subsystem towards the SIP-I based circuit-switched core ne
39、twork 47g37.2.1 General 47g37.2.2 Exceptions from forwarding received SIP messages 47g37.2.3 Sending SIP INVITE request 48g37.2.4 Updating Precondition Information 48g37.2.5 SDP Codec Negotiation 48g37.2.6 MGW Selection 49g37.2.7 Autonomous Release 49g37.2.8 Further setting of SIP header values . 49
40、g37.3 Signalling Interworking of a Call from SIP-I based circuit-switched core network towards the IP Multimedia Subsystem . 50g37.3.1 General 50g37.3.2 Exceptions from forwarding received SIP messages 51g37.3.3 Sending SIP INVITE request 51g37.3.4 Updating Precondition Information 52g37.3.5 Receipt
41、 of SIP redirect (3xx) response . 52g37.3.6 SDP Codec Negotiation 52g37.3.7 MGW Selection 53g37.3.8 Autonomous Release 53g37.3.9 Handling of forked SIP Responses . 53g37.3.9.1 SIP Dialogues 53g37.3.9.2 Reception of non-100 provisional Responses to initial INVITE . 53g37.3.9.3 Reception of final Resp
42、onses to initial INVITE 54g37.3.10 Further setting of SIP header values . 54g37.4 DMTF Signalling Interworking applicable for all Calls between an IP Multimedia CN Subsystem and a SIP-I based circuit-switched core network . 55g37.5 User Plane Interworking . 55g37.5.1 General 55g37.5.2 DTMF Interwork
43、ing . 56g37.6 Example Call flows 56g37.6.1 General 56g37.6.2 Incoming Call flows 56g37.6.2.1 Successful Call Establishment and Call Release . 56g37.6.2.2 Autonomous Release at MGCF . 58g37.6.3 Outgoing Call flows 59g37.6.3.1 Outgoing Call, Sending of INVITE is deferred. 59g37.6.3.2 Outgoing Call, Se
44、nding of INVITE is not deferred 60g37.6.3.3 Interworking with forked SIP INVITE Requests 62g37.7 CS CN Supplementary Services and IMS Supplementary Services . 65g37.7.0 General 65g37.7.1 Number Identification Services 65g37.7.1.1 CS CN Supplementary Service - Calling Line Identification Presentation
45、/Restriction (CLIP/CLIR) . 65g37.7.1.2 CS CN Supplementary Service - Connected Line Identification Presentation /Restriction (COLP/COLR) 65g37.7.1.3 IMS Supplementary Service - Originating Identification Presentation (OIP) and Originating Identification Restriction (OIR) 65g3ETSI ETSI TS 129 235 V15
46、.0.0 (2018-07)63GPP TS 29.235 version 15.0.0 Release 157.7.1.4 IMS Supplementary Service - Terminating Identification Presentation (TIP) and Terminating Identification Restriction (TIR) . 65g37.7.1.5 CS CN Supplementary Service - Direct Dialling In 65g37.7.1.6 CS CN Supplementary Service - Malicious
47、 Call Identification 65g37.7.1.7 IMS Supplementary Service - Malicious Communication Identification (MCID) . 66g37.7.1.8 CS CN Supplementary Service - Subaddressing . 66g37.7.2 Diversion Services 66g37.7.2.1 CS CN Supplementary Service - Call Forwarding Services (CFU, CFB, CFNRy, CFNRc) 66g37.7.2.2
48、CS CN Supplementary Service - Call Deflection (CD) 66g37.7.2.3 IMS Supplementary Service - Communication Diversion (CDIV) . 66g37.7.3 Waiting Services . 66g37.7.3.1 CS CN Supplementary Service - Call Waiting . 66g37.7.3.2 IMS Supplementary Service - Communication Waiting (CW) . 66g37.7.4 Hold Servic
49、es 66g37.7.4.1 CS CN Supplementary Service - Call Hold 66g37.7.4.2 IMS Supplementary Service - Communication Hold (HOLD) . 66g37.7.5 Multiparty Services . 67g37.7.5.1 CS CN Supplementary Services - Conference Calling (CONF) and Three-Party (3PTY) . 67g37.7.5.2 IMS Supplementary Service - Conference (CONF) 67g37.7.6 Closed User Group Service . 67g37.7.6.1 CS CN Supplementary Service - Closed User Group (CUG) . 67g37.7.6.2 IMS Supplementary Service - Closed User Group (CUG) 67g37.7.7 Charging Services . 67g37.7.7.1 CS CN Supplementary Service - Advice of Charge (AoC). 67g37.7.7.
