Documents related to 'application-layer'
1999, RFC2543: SIP: Session Initiation Protocol
2002, RFC3261: SIP: Session Initiation Protocol
2002, RFC3263: Session Initiation Protocol (SIP): Locating SIP Servers
2004, RFC3853: S/MIME Advanced Encryption Standard (AES) Requirement for the Session Initiation Protocol (SIP)
2007, RFC4916: Connected Identity in the Session Initiation Protocol (SIP)