rfc.dk

Cited in: RFC 4508

4 RFCs mentioned in the text of RFC 4508 (Conveying Feature Tags with the Session Initiation Protocol (SIP) REFER Method)

RFCTitleStatusDate
2119Key words for use in RFCs to Indicate Requirement LevelsS. BradnerBest Current PracticeMarch 1997
3261SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. SchoolerProposed StandardJuly 2002
3515The Session Initiation Protocol (SIP) Refer MethodR. SparksProposed StandardApril 2003
3840Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne, P. KyzivatProposed StandardAugust 2004