Session Initiation Protocol (SIP) History-Info Header Call Flow Examples

Document Type Replaced Internet-Draft (individual)
Last updated 2012-09-26 (latest revision 2012-03-27)
Replaced by draft-ietf-sipcore-rfc4244bis-callflows
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes use cases and documents call flows which require the History-Info header field to capture the Request-URIs as a Session Initiation Protocol (SIP) Request is retargeted. The use cases are described along with the corresponding call flow diagrams and messaging details.


Mary Barnes (
Francois Audet (
Shida Schubert (
Hans van Elburg (
Christer Holmberg (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)