AASTRA 4222 Office for BusinessPhone User Guide EN - Manual (Page 76)

ISDN Facilities
BusinessPhone – Dialog 4222 Office / Dialog 3211 & 3212 76
Malicious Call Identification
If you are disturbed by malicious external incoming calls, you can
request a number tracing from the network provider.
If you cannot see the number of the caller or connected party
(because of an activated number suppression), you have the
possibility to register the number in the public network during the
call.
Malicious Call ID.
Ô
Press to register the connected number (pre-programmed).
Or: *39#
Press to register the connected number.
If the function is accepted in the public net, your display shows the
following information.
If you cannot identify the connected party, your display shows the
following information.
After 3 seconds the display will revert to the previous state.
MCID ACCEPTED
DISPLAY REST S
MCID REJECTED
DISPLAY REST S