Cited in: RFC 6567

4 RFCs mentioned in the text of RFC 6567 (Problem Statement and Requirements for Transporting User-to-User Call Control Information in SIP)

RFC	Title	Status	Date
3261	SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler	Proposed Standard	July 2002
3515	The Session Initiation Protocol (SIP) Refer MethodR. Sparks	Proposed Standard	April 2003
5741	RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841	Informational	December 2009
6086	Session Initiation Protocol (SIP) INFO Method and Package FrameworkC. Holmberg, E. Burger, H. Kaplan	Proposed Standard	January 2011