Unified Messaging using SIP and RTSP. Kundan Singh and Henning Schulzrinne, Columbia University. Agenda Introduction Requirements Architecture Issues Implementation Q/A. Dial 853-8119. Phone is ringing. Disconnect. Alice 939-7063. Bob 853-8119.
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Kundan Singh and
Henning Schulzrinne, Columbia University
The voice mail server registers with the SIP proxy, sipd, on behalf of every user.
Alice calls email@example.com through SIP proxy.
SIP proxy forks the request to Bob’s phone as well as to a voicemail server.