With this setting you can have your phone reject calls from phones that are blocking or not transmitting their numbers.

Please note: Calls from analog phone connections without caller ID will, most likely, be received as anonymous calls. They will be rejected when you turn this function on.

Activating rejection of anonymous calls

1. Press .
2. Select Call Features and press .
   
   
3. Select Incoming Calls and press  .
   
   
   
4. Select Reject anonymous. The default setting is off (no) (Fig. 1).
   
   
5. Press  to change the setting to on (yes) (Fig. 2).
   
   Note: When the function is active, pressing  will turn it off.

Press for two seconds to return to the idle screen.