SIP IP Phone to SIP IP Phone: Forward to Voice Mail

SIP IP Phone to SIP IP Phone: Forward to Voice Mail

Call Scenario Figure C-29illustrates 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

 

 

VOCAL System

 

Redirect Server

 

User Agent

Call Forward

Voice Mail

Marshal Server

No Answer

Feature Server

 

Feature Server

 

User A

 

User B

Calling Party

 

Called Party

Figure C-29. SIP IP Phone to SIP IP Phone: Forward to Voice Mail

Call Flow Diagram Figures C-30,C-31and C-32show 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.

C-91

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Cisco Systems 1.3.0 manual SIP IP Phone to SIP IP Phone Forward to Voice Mail