User guide

38
Configuration via Telephone
Reset the Call Assignment
To reset the call assignment, proceed as follows:
Lift the handset. The configuration mode is active and you hear a special internal
dialling tone.
Select the code digits 905.
Press the hash key. You hear a positive acknowledgement tone.
Replace the handset.
Incoming external calls are signalled on all telephones as your call assignment has
been deleted.
b
9 0 5
# q
d