FRITZ!Fon C4 Service - Knowledge Base
FRITZ!Fon C4 Service
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In-call volume of FRITZ!Fon too low
When using a FRITZ!Fon to conduct calls, the other party's voice is too quiet.
1 Installing the latest software
- Install the latest software on the telephone.
2 Increasing the handset volume
- Press the "Menu" key on the telephone.
- Scroll to "Settings" and press "OK".
- "Audio" > "Volume" > "Handset"
- Use the "Louder" button to adjust the volume.
- Click "OK" to save the settings.