FRITZ!App Fon Service - Knowledge Base

FRITZ!App Fon Service

Transmitting own telephone number (outgoing caller ID)

Your telephone number can be automatically transmitted when making calls. It is then shown in the telephone display of the person you are calling.


  • Your telephony provider must have enabled Calling Line Identification Restriction (CLIR) on a call-by-call basis for your telephone line.

1 Disabling the CLIR function

  1. Start FRITZ!App Fon.
  2. Tap "More" and then "Settings".
  3. Disable the option "Tel. No. Suppressed".