Call Scenarios and Applications
Issue 7 March 1998
A-21
Message Desk —
Message Retrieval via Phone
A user calls the Message Desk to retrieve his or her voice messages. The
message desk application knows that the user is requesting his or her messages
because the user has dialed the message center directly. The message center
application interacts with the user via the voice call.
MWI turned off
Set Value-ACK
Turn-off
message waiting lampSet Value (MWI Off, A)
Message Desk
disconnects
Connected Event Report (C)
Message Desk
answers
Message Desk
Adjunct
Switch
User dials
Message Desk
Message
Phone
C
User disconnects
User A talks to
Message Desk
.
.
.
Accept Input
Play message to caller
Message Desk
alerts
User A calling message desk
directly to retrieve messages
Alerting Event Report
(orig=A, dest=C, ring=C)
User
Phone
A
3rd Party Domain Control
(domain=C)
Application monitors
message desk phone
3rd Party Domain Control-ACK
Control granted
Dropped Event Report (C)
Dropped Event Report (A)