NEC XN120 telephone system. How can I control program calls using the handset?.? go to main menu and press option 9 which will u phone settings, then option 3, which will take u to call settings from there Option 3 times u will call barring, then is a case of selecting the type of prohibition as u, u will need to know your default PIN is the pin inside the camera batteries were going u will need to change this to enable filtering!
Try these
20xn120_ http://www.tmilimited.co.uk/nec% ...
http://www.tonetel.co.uk/necxn120_downlo ...
Hopefully they will help
Posted on March 24, 2010.