Session Control on the Internet
Gonzalo Camarillo, Miguel A. García-Martín B. Eng. · 2008
This chapter contains sections titled: SIP Functionality SIP Entities Message Format The Start Line in SIP Responses: the Status Line The Start Line in SIP Requests: the Request Line Header Fields Message Body SIP Transactions Message Flow for Session Establishment SIP Dialogs Extending SIP Caller Preferences and User Agent Capabilities Reliability of Provisional Responses Preconditions Event Notification Signaling Compression Content Indirection The REFER Method Globally Routable User Agent URIs (GRUU) NAT Traversal