%% You should probably cite draft-ietf-sipcore-rfc4244bis-callflows instead of this I-D. @techreport{barnes-sipcore-rfc4244bis-callflows-03, number = {draft-barnes-sipcore-rfc4244bis-callflows-03}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-barnes-sipcore-rfc4244bis-callflows/03/}, author = {Mary Barnes and Francois Audet and Shida Schubert and Hans Erik van Elburg and Christer Holmberg}, title = {{Session Initiation Protocol (SIP) History-Info Header Call Flow Examples}}, pagetotal = 30, year = 2012, month = mar, day = 27, abstract = {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.}, }