Samsung Galaxy S9 / S9+ Manage DTMF Tones
Samsung Galaxy S9 / S9+
Manage DTMF TonesImprove the responsiveness of your Galaxy S9 / S9+ in automated phone systems by changing Dual-Tone Multi Frequency (DTMF) tone settings.
Steps
- Open thePhone app.
- Navigate: .
- TapDTMF tonesthen selectNormalorLong.