1
Scope
2 References
2.1 ITU and ISO/IEC references
2.2 IETF references
2.3 ETSI references
2.4 Other references
3 Definitions
4 Abbreviations
5 Reference model
6 Assumptions
7 Media availability in a SIP Session
7.1 Consideration related to media packets
8 Codec
8.1 Codec list
8.2 Packetization size
9 Routing and addressing
10 Service level signalling profile
10.1 RFCs to be supported
10.2 SIP profiles
10.3 SDP profile
11 Transport-level profile
11.1 Specifications to be supported
11.2 DTMF tone handling
12 Call control signalling transport
13 IP protocol version
14 Security considerations
Appendix I – Example call flows
I.1 Successful scenario of SIP session establishment
I.2 Unsuccessful scenario of SIP session establishment
I.3 Unsuccessful no answer to call cancel
I.4 Unsuccessful call set-up
Bibliography