2.Press the 
key to display Pre fix edit and press the 
key.
3.Enter a prefix number (max. 5 digits) and press the 
key to confirm. Set OK is displayed.
To edit an existing prefix number:
Delete existing digits using the 
key and enter a new prefix number and
press 
to confirm.
Using the Menu
4. Press the 
key to return to standby mode.
Call Barring
You can select from various call barring options: Off - no calls are barred, all calls are allowed.
External Call - all external calls are barred, only internal calls are allowed. Pre Call - calls beginning with a selected prefix will be barred.
All - all calls are barred, no calls are allowed except for emergency call numbers.
Note: With call barring set, when you try to dial a barred number, the display will show Call is barred. You will need to change the call barring setting to be able to dial out.
In the handset settings menu:
1.Press the 
or 
key to display Outgoing call bar and press the 
key to select.
2.Enter the 4 digit PIN code 
key to confirm.
3.Press the 
or 
key to display the call barring option you want and press the
key to confirm.
If you selected Pre Call:
38Enter the barred prefix number (up to 5 digits) and press the 
key to confirm. Set OK is displayed.