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82 Model 6751i IP Phone User Guide
Additional Features
Configuring Suppression of DTMF Playback
Use the following procedure to configure suppression of DTMF playback.
1. Click on Basic Settings->Preferences.
2. Go to the "General" section
.
3. Enable the "Suppress DTMF Playback" field by checking the check box. (Disable this
field by unchecking the box). Default is disabled.
4. Click to save your settings.
Aastra Web UI
Note: "Suppress DTMF Playback" is disabled by default.