IP304C - User Manual
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To mute the call during a call (including a conference call)
1.
Press the mute key
, then the mute key glows green, and the LCD display
2.
To disable the mute function, press
again.
DND
When you use the DND feature, the phone is to reject all incoming calls automatically and you can see the
mute icon
shown on the Top of the LCD on idle page.
To enable DND feature via phone interface:
1.
Press the DND soft key when the phone is idle, and then
shown on the LCD.