User guide

46
Security
BusinessPhone - Analog Telephone
Security
You can block your extension in order to prevent unauthorized
use of your telephone, e.g if your external calls are placed on a
specific account number.
Block extension
Lift the handset
*
72
#
Dial to block your extension
Verification tone.
Un-block extension
Lift the handset
#
72
*
Dial
Dial your password
#
Press to re-open
Verification tone. Your extension is open for use.