1 Scope
2 References
3 Definitions
4 Abbreviations and acronyms
5 Conventions and Methodology
5.1 Conventions for representation of BICC/ISUP PDU
5.2 Conventions for representation of SIP/SDP information
5.3 General principles
5.4 ISUP encapsulation – detailed procedures
5.5 sip: and sips: URIs
6 Incoming call interworking from SIP to BICC/ISUP at I‑IWU
6.1 Sending of Initial Address Message (IAM)
6.2 Receipt of subsequent INVITE
6.3 Sending of COT
6.4 Receipt of Connect message (CON)
6.5 Receipt of ACM
6.6 Receipt of CPG
6.7 Receipt of Answer Message (ANM)
6.8 Through connection of the bearer path
6.9 Receipt of Suspend message (SUS) network initiated
6.10 Receipt of Resume message (RES) network initiated
6.11 Release procedures at the I‑IWU
7 Outgoing call interworking from BICC/ISUP to SIP at O‑IWU
7.1 Sending of the first INVITE
7.2 Receipt of SAM after INVITE has been sent
7.3 Receipt of 18X response
7.4 Expiry of timers and sending of early ACM
7.5 Receipt of 200 OK INVITE
7.6 Through connection of BICC/ISUP bearer path
7.7 Release procedures at the O‑IWU
7.8 Timers at O‑IWU
Annex A – BICC specific interworking for basic call
A.1 Introduction
A.2 Interworking BICC to/from SIP with common media bearer
technology and BICC supports "Bearer Control Tunnelling"
A.3 Bearer Control Interworking Function
Annex B – Interworking for ISDN supplementary services
B.1 Interworking of CLIP/CLIR supplementary service to SIP networks
B.2 Interworking of COLP/COLR supplementary service to SIP networks
B.3 Interworking of Direct‑Dialling‑In (DDI)
supplementary service to SIP networks
B.4 Interworking of Malicious Call Identification (MCID)
supplementary service to SIP networks
B.5 Interworking of Sub‑addressing (SUB) supplementary
service to SIP networks
B.6 Interworking of Call Forwarding Busy (CFB)/Call Forwarding No
Reply (CFNR)/Call Forwarding Unconditional (CFU)/ Call Deflection (CD)
supplementary services to SIP networks
B.7 Interworking of Explicit Call Transfer (ECT) supplementary
service to SIP networks
B.8 Interworking of Call Waiting (CW) supplementary service to SIP
networks
B.9 Interworking of Call Hold (HOLD) supplementary service to SIP
networks
B.10 Interworking of Completion of Calls to Busy Subscriber (CCBS)
and Completion of Calls on No Reply (CCNR) supplementary service to SIP
networks
B.11 Interworking of Terminal Portability (TP) supplementary service
to SIP networks
B.12 Interworking of Conference Calling (CONF) supplementary service
to SIP networks
B.13 Interworking of Three‑Party Service (3PTY) supplementary
service to SIP networks
B.14 Interworking of Closed User Group (CUG) supplementary service
to SIP networks
B.15 Interworking of Multi‑Level Precedence and Preemption
(MLPP) supplementary service to SIP networks
B.16 Interworking of Global Virtual Network Service (GVNS)
supplementary service to SIP networks
B.17 Interworking of International Telecommunication Charge Card
(ITCC) supplementary service to SIP networks
B.18 Interworking of Reverse Charging (REV) supplementary service to
SIP networks
B.19 Interworking of User‑to‑User Signalling (UUS)
supplementary service to SIP networks
B.20 Supplementary timers (For profiles A and B)
Annex C
C.1 SIP/SIP‑I references (normative)
C.2 The P‑Asserted‑Identity SIP header extension (normative)
Annex D – IWU – MGW Interaction
D.1 Overview
D.2 Mn signalling interactions
Page
Annex E – Codec negotiation between a BICC CS network and the IM CN
subsystem
E.1 Description of codec negotiation between a BICC circuit
switched (CS) network and the IP multimedia (IM) core network (CN)
subsystem
Annex F – Multimedia interworking between the IP multimedia core network (CN)
subsystem (IMS) and circuit switched (CS) networks
F.1 Description of multimedia interworking between the IP
multimedia core network (CN) subsystem (IMS) and circuit switched (CS)
networks
Annex G – ITU-T T.38 interworking between the IP multimedia core network (CN)
subsystem (IMS) and circuit switched (CS) networks
G.1 Description of the ITU-T T.38 interworking between the IP
multimedia core network (CN) subsystem (IMS) and circuit switched (CS)
networks
Annex H – PSTN XML Schema
H.1 Scope
H.2 MIME type
H.3 XML Schema definition
H.4 IANA registration template
Appendix I – Interworking scenarios between SIP and BICC
I.1 Scope
I.2 Definitions
I.3 Abbreviations
I.4 Methodology
I.5 Interworking of SIP accesses to BICC
Appendix II – Interworking scenarios between SIP and ISUP
II.1 Scope
II.2 Definitions
II.3 Abbreviations
II.4 Methodology
II.5 Interworking of SIP Access to ISUP
Appendix III – Interworking scenarios between Profile C (SIP‑I) and
ISUP
III.1 General
III.2 Interworking of ISUP with SIP using Profile C (SIP‑I)
Appendix IV – Echo canceller scenarios between SIP and ISUP
IV.1 Scope
IV.2 Definitions
IV.3 Example scenarios for call interworking between SIP and ISUP
Bibliography