Documents related to 'ua'
2002, RFC3324: Short Term Requirements for Network Asserted Identity
2002, RFC3327: Session Initiation Protocol (SIP) Extension Header Field for Registering Non-Adjacent Contacts
2003, RFC3458: Message Context for Internet Mail
2004, RFC3938: Video-Message Message-Context
2006, RFC4409: Message Submission for Mail
2007, RFC4916: Connected Identity in the Session Initiation Protocol (SIP)