FRITZ!App Fon Service - Knowledge Base

FRITZ!App Fon Service

Transmitting own telephone number (outgoing caller ID)

When you make calls, you can automatically transmit your telephone number (caller ID) to the person you are calling. The person you call can then see your telephone number in the display of their telephone.


  • The feature caller ID blocking (CLIR) for individual calls must have been enabled by your telephony provider.

1 Disabling caller ID blocking (CLIR)

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