AT&T DL72240 - Telephone Base Ringer Volume

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Telephone settings
Telephone base ringer volume
When the telephone base is idle, press
VOL or VOL on the telephone base to set
the ringer volume level (1-6), or turn the ringer
o.Asampleoftheringersoundsasyouadjust
the volume. The telephone base announces,
“Base ringer is o” when you set the volume to 0.
Note: If a handset is on an outside call, the telephone base volume
cannot be changed.