1 Scope
2 References
2.1 ITU-T
references
2.2 IETF references
2.3 ETSI references
2.4 Other references
3 Definitions
4 Abbreviations and acronyms
5 Reference model
6 Assumptions
7 Media availability in a SIP
session
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 profile
10.3 SDP profile
11 Transport-level profile
12 Call control signalling
transport
13 IP protocol version
14 Security considerations
Appendix I – Call/signalling flows
A.1 PSTN—IP—(NNI)—IP—PSTN
A.2 PSTN—IP—(NNI)—IP—IP
A.3 IP—IP—(NNI)—IP—PSTN
A.4 IP—IP—(NNI)—IP—IP
Bibliography