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

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