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you can click "Save" button to save successfully.
Tone interface
Configuration item
Meaning
Tone
Phone ringtone:
Set telephone ringtone of
incoming calls.
Notification ringtone:
Set notification ringtone of
the telephone.
Audible touch tones:
Enable/Disable. After
enabling the function, when you use a dialing
keyboard it can play sound.
Audible selection:
Enable/Disable. After enabled
the function, when you select the screen it can play
sound.
Volume
Tap "Sound" ----> "Volume" interface. After configuring the parameters, you
can click "Save" button to save successfully.
Multi-media Video Phone UTT-990 User Manual