36 Settings
If you enter your PBX access code your BT Verve 450 will automatically enter a pause after the first digit if it matches the PBX access code.
If any existing code is displayed. Press Clear to delete digits.
The System PIN is used when changing certain settings and registration / de- registration. The default setting is 0000. You can change this to your own preferred
If you make a mistake, press Clear to delete digits.
PBX/switchboard access code
1.Press Menu, scroll 
to Settings and press OK.
2.Scroll 
to Base settings. Press OK.
3.Scroll 
to PBX access. Press OK.
4.Enter the code you want, then press OK.
5.Press Back to return to the previous menu level.
System PIN
1.Press Menu, scroll 
to Settings and press OK.
2.Scroll 
to Base settings. Press OK.
3.Scroll 
to System PIN. Press OK.
4.Enter the old PIN (original setting 0000) and press OK.
5.Enter the new PIN and press OK.
6.
7.Press Back to return to the previous menu level.
If you experience any problems, please call the Helpline on 0800 218 2182* or email bt.helpdesk@vtecheurope.com