SIP User Agent
The SIP User Agent node object in the anynode frontend consists of several RFC 3261-related sections like: RFC 3261 - SIP authentication, RFC 3261 - SIP URI/header field mapping, RFC 3261 - Registrations, RFC 3261 - Media negotiation, RFC 3262 - Reliable Transfer of SIP responses (PRACK), RFC 3311 - Update, RFC 3323 - Privacy, RFC 3325 - P-Asserted-Identity, and others. There can also be a Profile selected which is set by default to Standard.
A complete overview of this object can be reviewed in the next screenshot.
Screenshot: anynode frontend showing the 'SIP User Agent' object of the Cisco Webex Calling node.