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Page 468 of 504 Appendix E: M3110, M3310, and M3820 telephones
553-3001-367 Standard 3.00 August 2005
Fixed keys (same for all three models)
Hold
By pressing the hold key, you can put an active call on hold. Return to the
caller by pressing the extension key beside the flashing LCD indicator.
Release (Rls)
You can terminate an active call by pressing the Rls key or by hanging up the
handset. The release key is especially useful for disconnecting handsfree and
headset calls.
Volume control
The volume key controls the volume of the handset, the speaker and the
ringer. Raise the volume by pressing the right side of the bar. Lower it by
pressing the left side.
Mute
When engaged in a call, you can press the mute key. The party(ies) to whom
you are speaking cannot hear you. This is especially useful when on a
conference call and you are only listening. When you wish to return to the
two-way conversation, you must push the mute key again. The mute key
applies to handsfree, handset and headset microphones.
Speaker/Handsfree
The speaker key allows you to activate handsfree and group listening
features. Handsfree is only available on the M3310 and M3820 models and is
enabled by the system administrator. If handsfree is not configured at the
switch, the telephone can only be used to listen.