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SIP IP Phone to SIP IP Phone: Forward to Voice Mail
C-91
SIP IP Phone to SIP IP Phone: Forward to Voice Mail
Call Scenario Figure C-29 illustrates the following call scenario:
• User A calls User B
• User B does not answer the call
• The call is forwarded to the voice mail feature server
Figure C-29. SIP IP Phone to SIP IP Phone: Forward to Voice Mail
Call Flow Diagram Figures C-30, C-31 and C-32 show a SIP IP phone attempting to call another
on-network SIP IP phone. The second phone is unanswered and the call is
re-initiated with the Voice Mail server.
User A
Calling Party
Redirect Server
User Agent
Marshal Server
Call Forward
Feature Server
User B
Called Party
Voice Mail
Feature Server
No Answer
VOCAL System