Cited in: RFC 8433

5 RFCs mentioned in the text of RFC 8433 (A Simpler Method for Resolving Alert-Info URNs)

RFC	Title	Status	Date
2119	Key words for use in RFCs to Indicate Requirement LevelsS. Bradner	Best Current Practice	March 1997
3261	SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler	Proposed Standard	July 2002
7462	URNs for the Alert-Info Header Field of the Session Initiation Protocol (SIP)L. Liess, Ed., R. Jesske, A. Johnston, D. Worley, P. Kyzivat	Proposed Standard	March 2015
7841	RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed.	Informational	May 2016
8174	Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba	Best Current Practice	May 2017