Security
BusinessPhone – Cordless phone DT190
64
Security
You can block your extension in order to prevent unauthorized use
of your phone, e.g. if your external calls are placed on a specific
account number.
Block Extension
*72#
õ
ô
Press to block your extension
Wait for the verification tone
ð
ï
Press to finish the procedure
Un-block Extension
#72*
Press
Z
Enter your password
Note:
To change your password, see chapter “
#
õ
ô
Press to re-open
Wait for the verification tone
Your extension is open for use.
ð
ï
Press to finish the procedure