1 Scope
2 References
3 Definitions
4 Abbreviations and acronyms
5 Conventions
6 Service architecture
6.1 General description and architecture
6.2 Functional entities involved in TS-IVR service
7 Signalling requirements
7.1 Signalling requirements for the EUF
7.2 Signalling requirements for P-CSC-FE
7.3 Signalling requirements for S-CSC-FE
7.4 Signalling requirements for AS-FE
7.5 Signalling requirements for MRC-FE
7.6 Signalling requirements for MRP-FE
8 Security considerations
Annex A – Signalling flows
A.1 Signalling flows for SIP based TS-IVR
A.2 Signalling flows for web based TS-IVR
Annex B – List of messages imported from IETF RFCs
B.1 IETF RFC 2616
B.2 IETF RFC 3261
B.3 IETF RFC 6086
Bibliography