Aastra DT390 - Security; Activating Phone Lock

Group Features
14.3 Common Bell Group
The Common Bell feature allows all extensions of the system (operator
included) to pick-up the call from an extension that has been predefined as a
common bell extension:
Enter the Common Bell pick-up code and press
.
Please ask your system administrator for the Common Bell pick-up code. If two
or more extensions simultaneously attempt to answer a call from the Common
Bell extension, only the first extension will pick it up. The other extensions
will receive the number unobtainable tone. This will also happen if you dial
the Common Bell pick-up code and there are no calls waiting at the Common
Bell extension.
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1424-EN LZT 103 091 Uen A1 2008-10-27