User Agent to User Agent: Call Waiting
C-75
User Agent to User Agent: Call WaitingCall Scenario Figure C-25 illustrates the following call scenario:
•User A calls User B
•While Users A and B are in conversation, User C calls User A
•User A is notified that another caller attempting to connect
Figure C-25. User Agent to User Agent: Call Waiting
Call Flow Diagram Figures C-26, C-27 and C-28 show a third party attempting to connect to a
phone that is engaged in conversation with another phone.
User A
Calling Party User B
Called Party
Redirect Server
User Agent Call Waiting
Marshal Server Feature Server
User C
New Calling Party
VOCAL System