Ericsson OPI-II User's Guide download pdf (Page 66)

Other Useful Facilities

OPI 321466

Malicious call tracing

If you are disturbed by malicious external incoming calls you can

invoke the malicious call tracing service which will cause an alarm

and printout. The printout will contain the calling number, the dialled

number, date and time. This information can then be used to

determine the origin of the malicious calls.

Note: The incoming route must have a category for MCT.

The feature is supported by the interworking public

exchange.

To invoke the malicious call tracing service:

# 3 9 # Dial

Busy verification

If a specific extension or external line has been busy for an

unusually long time, you can verify its status.

Note: The right side of the console must be idle.

z Dial the extension number

z Access a specific external line

Speech >

j Press

The right side of the display shows who is connected to the busy

extension or external line.

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Ericsson OPI-II User's Guide Page 66