Change the volume or mute a call

Ringer volume adjustment

  • To make the phone ring louder or quieter, press the Volume buttons
  • To make a call louder or quieter, press the Volume buttons buttons while you are on the call

Dial tone volume adjustment

When the conference phone is off the hook, press the Volume buttons to adjust the dial tone volume.

Speaker volume adjustment

During a call, press the Volume buttons to adjust the speaker volume.

Mute the Call for a Private Discussion

  1. Press the Mute button to mute a call so that you cannot be heard
  2. You can hear all other parties while Mute is enabled
  3. Press the Mute button again to un-mute the phone

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