Lucent Technologies Definity Enterprise Communications Server 555-230-220 ユーザーズマニュアル

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Call Scenarios and Applications
A-20
Issue  7 March 1998 
Message Desk — Incoming Call
A call to station A redirects to the message desk after alerting the station (original 
destination). The application only has control of the message desk station 
(phone).
Play message to caller
Record message
Save recorded
message; turn-on
message waiting lamp
Call goes 
to coverage
Message
Phone
C
Call alerts
phone
Switch
Message Desk
Adjunct
Message Desk
answers
Caller talks to
Message Desk
Message Desk
disconnects
Caller disconnects
MWI turned on
Set Value (MWI On, A)
Set Value-ACK
Dropped Event Report (C)
Dropped Event Report (B)
3rd Party Domain Control
(domain=C)
Control granted
3rd Party Domain Control-ACK
Application monitors
message desk phone
Caller
Phone
B
User
Phone
A
Call sent
to Message Desk
Alerting Event Report
(orig=B, dest=A, ring=C)
Connected Event Report (C)
Message Desk
alerts