4. (Optional) Mute and unmute the extension microphone during a call by pressing the
(Mute) button on the microphone.
Note: Muting an individual extension microphone only mutes that microphone. Audio is still
enabled for the conference through the Mitel 6970 IP Conference Phone. To mute the entire
conference you must tap the
key on the phone.
For information on muting a call, see “Muting and unmuting a call” on page 20.
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