1
Scope
2
References
3
Definitions
3.1
Terms defined elsewhere
3.2
Terms defined in this Recommendation
4
Abbreviations and acronyms
5
Introduction
6
Service provider discovery process using SIP messages
6.1
SUBSCRIBE/NOTIFY message
6.2
MESSAGE message
7
Service discovery process using SIP messages
7.1
Procedure in case SD provider has SIP server functionality
7.2
Procedure in case SD provider does not have SIP server functionality