3. How a SIP system works
3.1 Simple call
First, let's consider the simple case where user Smith, logged in on his pumpkin machine, wishes to call user Martin on his wolverine machine. Figure 3 shows the exchange of SIP messages between the various components involved.
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How a SIP system works
Advanced services offered by SIP
References
- (1) - HANDLEY (M.), CROWCROFT (J.), BORMANN (C.), OTT (J.) - The Internet Multimedia Conferencing Architecture - . Internet Draft draft-ietf-mmusic-confarch-03.txt (expiration janvier 2001).
- (2) - HANDLEY (M.), SCHULTZRINNE (H.), SCHOOLER (E.), ROSENBERG (J.) - SIP : Session Initiation Protocol - ....
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