SIP Servers
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8/28/2008
A SIP server does the following:
- Functions as the SIP registrar for location information and the SIP proxy server for call routing. For more information about SIP, see SIP.
- Registers presence information.
- Establishes Windows Embedded CE-SIP client, Windows Embedded CE-phone, and messaging sessions.
- Uses URIs to handle call signaling and call setup.
After a communication link is established, the devices communicate directly using RTP. For more information about RTP, see RTP/RTCP.