FAQ Desktop - tone_scheme
Description
Select the dial tone you prefer for your phone. Also, DTMF echo will differ (on/off) on different schemes.
Web User Interface
Setup - Preferences → Audio (Tab) → General Information (section) - Tone Scheme

Auto-provisioning
Parameter | Description |
|---|---|
<tone_scheme perm="PERMISSIONFLAGS">VALIDVALUE</tone_scheme> |
|
