5. The SIP terminal process passes the updated call state to the
bearer terminal process. The bearer terminal process takes steps
to tear down the call by closing the port on the OFI and releasing
used timeslots.
6. Call flow is complete.
SIP without Encapsulated ISUP - Detailed
Call Scenario
Call Flow
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3-64
Lucent Technologies 235-200-118
Issue 3.02B, March 2007