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Call Scenarios and Applications
A-22 Issue 7 March 1998
Message Desk — Message Retrieval via Data
Te rm in a l
A user utilizes a data terminal to retrieve his or her messages. The application
displays a summary of all voice and text messages stored for the user. The user
utilizes the data terminal to interact with the message desk application. When the
user wants to listen to a voice mail message, the application forces the user
off-hook and originates a call to the message center. The message center then
plays the requested message over the phone. The application disconnects the
call when no more messages need to be played to the user.
Play message to user
Play message to user
User listens to
recorded message
User listens to
recorded message
User requests another
voice mail message
User terminates
listening to
messages
Message
Phone
C
3rd Party Make Call
(dest=C, orig=A)
User forced off-hook
(speakerphone on)
Switch
Message Desk
Adjunct
Message Desk
answers
Connected Event Report (C)
Message Desk
disconnected
3rd Party Clear Call-ACK
User disconnected
3rd Party Clear Call
Set Value (MWI Off, A)
Turn-off
message waiting lamp
Set Value-ACK
MWI turned off
User requests
voice mail message
Application displays
message summary
(voice and text mail)
User enters messaging
application
Terminal
A
User
Phone
A
Alerting Event Report
(orig=A, dest=C, ring=C)
Status displayed
Application originated
call alerts at the
message desk
Message Desk
alerts