An Extension to the Session Initiation Protocol (SIP) for Request History Information, November 2005
- File formats:
- PROPOSED STANDARD
- Obsoleted by:
- RFC 7044
- M. Barnes, Ed.
- sip (rai)
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This document defines a standard mechanism for capturing the history information associated with a Session Initiation Protocol (SIP) request. This capability enables many enhanced services by providing the information as to how and why a call arrives at a specific application or user. This document defines a new optional SIP header, History-Info, for capturing the history information in requests. [STANDARDS-TRACK]
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 4844.