
M
I
V
OICE
4220 L
ITE
(DBC220)
FOR
M
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OICE
MX-ONE
53
1/1553-ANF 901 54 Uen E5 2016-05-16
9.11.2 PROCEDURE
9.11.2.1
Outgoing call by using LAC
•
Lift hand set
•
Dial LAC If provided a dial tone is received.
•
Continue with the external number If no free trunk is selected a busy tone is
received. On-hook queuing is possible by dialing the suffix digit for call-back
towards the busy route. If the selected route is marked as expensive you will
receive Expensive Route Warning Tone which will make it possible for you to
interrupt the further routing of the call.
•
Replace the handset when the call is completed.
9.12
MALICIOUS CALL TRACING, MCT
This feature allows you, before the call is disconnected, to signal to the public switched
telephone network (PSTN) that you have received a malicious call. If the calling
subscriber clears the call, the external line can be held for a limited period of time,
during which you can invoke the feature. This information is used by the PSTN to
record information about the origin of the call (i.e. print out calling party number, date,
time...etc).
9.12.1 TO
ORDER
MALICIOUS CALL TRACING
•
Press the MCT-key.
The system acknowledges with a tone message indicating if the MCT request was
accepted or rejected.
9.13 NIGHT
SERVICE
During night service, incoming external calls are transferred to any selected extension
or group of extensions.
9.13.1
NIGHT SERVICE COMMON
All incoming calls are routed to one extension, and calls are answered in the normal
way.
9.13.2 NIGHT
SERVICE INDIVIDUAL
One or more of the external lines in the exchange are routed to the designated exten-
sion, and calls are answered in the normal way.
9.13.3
NIGHT SERVICE UNIVERSAL
All incoming calls are signalled on universal signalling devices, e.g. a bell. In order to
answer the call use the following procedure: