ETSI TS 129 163 V6.12.0 (2009-06)

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks (3GPP TS 29.163 version 6.12.0 Release 6)

ETSI TS 129 163 V6.12.0 (2009-06)

Name:ETSI TS 129 163 V6.12.0 (2009-06)   Standard name:Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks (3GPP TS 29.163 version 6.12.0 Release 6)
Standard number:ETSI TS 129 163 V6.12.0 (2009-06)   language:English language
Release Date:18-Jun-2009   technical committee:3GPP CT 3 - Interworking with external networks (formely CN3)
Drafting committee:   ICS number:
ETSI TS 129 163 V6.12.0 (2009-06)
Technical Specification

Digital cellular telecommunications system (Phase 2+);
Universal Mobile Telecommunications System (UMTS);
LTE;
Interworking between the IP Multimedia (IM)
Core Network (CN) subsystem and
Circuit Switched (CS) networks
(3GPP TS 29.163 version 6.12.0 Release 6)



R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS

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3GPP TS 29.163 version 6.12.0 Release 6 1 ETSI TS 129 163 V6.12.0 (2009-06)



Reference
RTS/TSGC-0329163v6c0
Keywords
GSM, UMTS
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ETSI

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3GPP TS 29.163 version 6.12.0 Release 6 2 ETSI TS 129 163 V6.12.0 (2009-06)
Intellectual 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 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 Secretariat. Latest updates are available on the ETSI Web
server (http://webapp.etsi.org/IPR/home.asp).
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, essential 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 interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
ETSI

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3GPP TS 29.163 version 6.12.0 Release 6 3 ETSI TS 129 163 V6.12.0 (2009-06)
Contents
Intellectual Property Rights.2
Foreword.2
Foreword.10
1 Scope.11
2 References.11
3 Definitions and abbreviations.13
3.1 Definitions.13
3.2 Abbreviations.14
4 General.15
4.1 General interworking overview.15
5 Network characteristics .15
5.1 Key characteristics of ISUP/BICC based CS networks.15
5.2 Key characteristics of IM CN subsystem .15
6 Interworking with CS networks .15
6.1 Interworking reference model.15
6.1.1 Interworking reference points and interfaces.16
6.1.2 Interworking functional entities.16
6.1.2.1 Signalling Gateway Function (SGW) .16
6.1.2.2 Media Gateway Control Function (MGCF) .16
6.1.2.3 IP Multimedia - Media Gateway Function (IM-MGW).17
6.2 Control plane interworking model.17
6.3 User plane interworking model .17
7 Control plane interworking .17
7.1 General.17
7.2 Interworking between CS networks supporting ISUP and the IM CN subsystem .18
7.2.1 Services performed by network entities in the control plane .18
7.2.1.1 Services performed by the SS7 signalling function .18
7.2.1.2 Services of the SGW .19
7.2.1.3 Services of the MGCF.19
7.2.1.4 Services of the SIP signalling function .19
7.2.2 Signalling interactions between network entities in the control plane.19
7.2.2.1 Signalling between the SS7 signalling function and MGCF.19
7.2.2.1.1 Signalling from MGCF to SS7 signalling function .19
7.2.2.1.2 Signalling from SS7 signalling function to MGCF .19
7.2.2.1.3 Services offered by SCTP and M3UA.19
7.2.2.1.3.1 Services offered by SCTP.19
7.2.2.1.3.2 Services offered by M3UA.20
7.2.2.2 Signalling between the MGCF and SIP signalling function.20
7.2.3 SIP-ISUP protocol interworking.20
7.2.3.1 Incoming call interworking from SIP to ISUP at I-MGCF .20
7.2.3.1.1 Sending of IAM.20
7.2.3.1.2 Coding of the IAM .21
7.2.3.1.2.1 Called party number.21
7.2.3.1.2.2 Nature of connection indicators .21
7.2.3.1.2.3 Forward call indicators .21
7.2.3.1.2.4 Calling party's category .22
7.2.3.1.2.5 Transmission medium requirement.22
7.2.3.1.2.6 Calling party number.22
7.2.3.1.2.7 Generic number.25
7.2.3.1.2.8 User service information.25
7.2.3.1.2.9 Hop Counter (National option) .25
ETSI

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3GPP TS 29.163 version 6.12.0 Release 6 4 ETSI TS 129 163 V6.12.0 (2009-06)
7.2.3.1.3 Sending of COT.26
7.2.3.1.4 Sending of 180 ringing .26
7.2.3.1.5 Sending of the 200 OK (INVITE) .27
7.2.3.1.6 Sending of the Release message (REL).27
7.2.3.1.7 Coding of the REL.28
7.2.3.1.8 Receipt of the Release Message .28
7.2.3.1.9 Receipt of RSC, GRS or CGB (H/W oriented) .29
7.2.3.1.10 Autonomous Release at I-MGCF .29
7.2.3.1.11 Internal through connection of the bearer path.30
7.2.3.2 Outgoing Call Interworking from ISUP to SIP at O-MGCF.30
7.2.3.2.1 Sending of INVITE .30
7.2.3.2.2 Coding of the INVITE.31
7.2.3.2.2.1 REQUEST URI Header .31
7.2.3.2.2.2 SDP Media Description .31
7.2.3.2.2.3 P-Asserted-Identity, From and Privacy header fields .32
7.2.3.2.2.4 Max Forwards header .34
7.2.3.2.3 Receipt of CONTINUITY.35
7.2.3.2.4 Sending of ACM and awaiting answer indication .35
7.2.3.2.5 Coding of the ACM .36
7.2.3.2.5.1 Backward call indicators.36
7.2.3.2.6 Sending of the Call Progress message (CPG).37
7.2.3.2.7 Coding of the CPG .37
7.2.3.2.7.1 Event information.37
7.2.3.2.7a Receipt of 200 OK(INVITE).37
7.2.3.2.8 Sending of the Answer Message (ANM).37
7.2.3.2.9 Coding of the ANM.38
7.2.3.2.9.1 Backwards Call Indicators.38
7.2.3.2.10 Sending of the Connect message (CON) .38
7.2.3.2.11 Coding of the CON.38
7.2.3.2.11.1 Backward call indicators.38
7.2.3.2.12 Receipt of Status Codes 4xx, 5xx or 6xx.38
7.2.3 2.13 Receipt of a BYE.40
7.2.3.2.14 Receipt of the Release Message .40
7.2.3.2.15 Receipt of RSC, GRS or CGB (H/W oriented) .40
7.2.3.2.16 Autonomous Release at O-MGCF.40
7.2.3.2.17 Special handling of 580 precondition failure received in response to either an INVITE or
UPDATE .41
7.2.3.2.17.1 580 Precondition failure response to an INVITE.41
7.2.3.2.17.2 580 Precondition failure response to an UPDATE within an early dialog.41
7.2.3.2.18 Sending of CANCEL.41
7.2.3.2.19 Receipt of SIP redirect (3xx) response .42
7.2.3.3 Timers.42
7.3 Interworking between CS networks supporting BICC and the IM CN subsystem.42
7.3.1 Services performed by network entities in the control plane .44
7.3.2 Signalling interactions between network entities in the control plane.44
7.3.2.1 Signalling between the SS7 signalling function and MGCF.44
7.3.2.1.1 Signalling from MGCF to SS7 signalling function .44
7.3.2.1.2 Signalling from SS7 signalling function to MGCF .44
7.3.2.1.3 Services offered by STC, SCTP and M3UA .44
7.3.2.1.3.1 Services offer by SCTP .44
7.3.2.1.3.2 Services offered by M3UA.44
7.3.2.1.3.3 Services offered by STC.44
7.3.2.2 Signalling between the MGCF and SIP signalling function.44
7.3.3 SIP-BICC protocol interworking .44
7.3.3.1 Incoming call interworking from SIP to ISUP at I-MGCF .44
7.3.3.1.1 Sending of IAM.44
7.3.3.1.2 Coding of IAM .45
7.3.3.1.2.1 Called party number.45
7.3.3.1.2.2 Nature of connection indicators .45
7.3.3.1.2.3 Forward call indicators .45
7.3.3.1.2.4 Calling party's category .45
7.3.3.1.2.5 Transmission medium requirement.45
ETSI

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3GPP TS 29.163 version 6.12.0 Release 6 5 ETSI TS 129 163 V6.12.0 (2009-06)
7.3.3.1.2.6 Calling party number.46
7.3.3.1.2.7 Generic number.46
7.3.3.1.2.8 User service information.46
7.3.3.1.2.9 Hop counter (National option) .46
7.3.3.1.3 Sending of COT.46
7.3.3.1.4 Sending of 180 Ringing.46
7.3.3.1.5 Sending of the 200 OK (INVITE) .46
7.3.3.1.6 Sending of the Release message (REL).46
7.3.3.1.7 Coding of the REL.46
7.3.3.1.8 Receipt of the Release Message .46
7.3.3.1.9 Receipt of RSC, GRS or CGB (H/W oriented) .46
7.3.3.1.10 Internal through connection of the bearer path.47
7.3.3.1.11 Out of Band DTMF .47
7.3.3.2 Outgoing Call Interworking from BICC to SIP at O-MGCF .47
7.3.3.2.1 Sending of INVITE .47
7.3.3.2.2 Coding of the INVITE.47
7.3.3.2.2.1 REQUEST URI Header .47
7.3.3.2.2.2 SDP Media Description .47
7.3.3.2.2.3 P-Asserted-Identity and privacy header fields .47
7.3.3.2.2.4 Max Forwards header .47
7.3.3.2.3 Sending of UPDATE.48
7.3.3.2.4 Sending of ACM and Awaiting Answer indication.48
7.3.3.2.5 Coding of the ACM .48
7.3.3.2.5.1 Backward call indicators.48
7.3.3.2.6 Sending of the Call Progress message (CPG).48
7.3.3.2.7 Coding of the CPG .48
7.3.3.2.7.1 Event information.48
7.3.3.2.7a Receipt of 200 OK (INVITE).48
7.3.3.2.8 Sending of the Answer Message (ANM).49
7.3.3.2.9 Coding of the ANM.49
7.3.3.2.10 Sending of the Connect message (CON) .49
7.3.3.2.11 Coding of the CON.49
7.3.3.2.11.1 Backward call indicators.49
7.3.3.2.12 Receipt of Status Codes 4xx, 5xx or 6xx.49
7.3 3.2.13 Receipt of a BYE.49
7.3.3.2.14 Receipt of the Release Message .49
7.3.3.2.15 Receipt of RSC, GRS or CGB (H/W oriented) .49
7.3.3.2.16 Out of Band DTMF .49
7.3.3.2.17 Sending of CANCEL.49
7.3.3.2.18 Autonomous Release at O-MGCF.49
7.3.3.2.19 Special handling of 580 precondition failure received in response to either an INVITE or
UPDATE .50
7.3.3.2.20 Receipt of SIP redirect (3xx) response .50
7.3.3.3 Timers.50
7.4 Supplementary services.50
7.4.1 Calling line identification presentation/restriction (CLIP/CLIR) .50
7.4.2 Connected line presentation and restriction (COLP/COLR).50
7.4.2.1 Incoming Call Interworking From SIP to BICC/ISUP At The I-MGCF.50
7.4.2.1.1 INVITE to IAM interworking (SIP to ISUP/BICC calls).50
7.4.2.1.2 ANM/CON to 200 OK (INVITE) .50
7.4.2.2 Outgoing Call Interworking from BICC/ISUP to SIP at O-MGCF .52
7.4.2.2.1 IAM to INVITE interworking (ISUP to SIP calls) .52
7.4.2.2.2 1XX to ANM or CON interworking.52
7.4.2.2.3 200 OK (INVITE) to ANM/CON interworking.52
7.4.3 Direct Dialling In (DDI) .53
7.4.4 Malicious call identification .53
7.4.5 Sub-addressing (SUB).54
7.4.6 Call Forwarding Busy (CFB)/ Call Forwarding No Reply (CFNR) / Call Forwarding Unconditional
(CFU).54
7.4.7 Call Deflection (CD).54
7.4.8 Explicit Call Transfer (ECT) .54
7.4.9 Call Waiting.54
ETSI

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3GPP TS 29.163 version 6.12.0 Release
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