Documents related to 'user agent'
2001, RFC3059: Attribute List Extension for the Service Location Protocol
            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
            2003, RFC3608: Session Initiation Protocol (SIP) Extension Header Field for Service Route Discovery During Registration
            2003, RFC3665: Session Initiation Protocol (SIP) Basic Call Flow Examples
            
            2004, RFC3938: Video-Message Message-Context
            
            2006, RFC4409: Message Submission for Mail
            
            2007, RFC4916: Connected Identity in the Session Initiation Protocol (SIP)