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Samsung Galaxy Z Flip7
Manage DTMF Tones

Improve the responsiveness of your Galaxy Z Flip7 in automated phone systems by changing Dual-Tone Multi Frequency (DTMF) tone settings.

Steps

Open the

Phone app

Navigate:

3-dot Menu icon

Settings

Other call settings

Tap

DTMF tones

then select one of the following:

Normal

Long