%% You should probably cite rfc5621 instead of this I-D. @techreport{ietf-sip-body-handling-06, number = {draft-ietf-sip-body-handling-06}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-sip-body-handling/06/}, author = {Gonzalo Camarillo}, title = {{Message Body Handling in the Session Initiation Protocol (SIP)}}, pagetotal = 19, year = 2009, month = mar, day = 9, abstract = {This document specifies how message bodies are handled in SIP. Additionally, this document specifies SIP user agent support for MIME (Multipurpose Internet Mail Extensions) in message bodies. {[}STANDARDS-TRACK{]}}, }