AT&T TL7610 - Manual (Page 34)

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Operation
Options while on calls
Multiple headset/handset use
Headset(s) and handset(s) on the same phone line
can join an external call in progress. The number
of headset(s) and handset(s) that can join may
be limited by your telephone system. See your
telephone user’s manual for more information.
Join a call with a headset by pressing
ON/OFF on
the headset.
To hang up, press
ON/OFF or place the headset
in the headset base.
Mute
The mute function allows you to turn off the
headset microphone. You can hear the caller, but
the caller is not able to hear you.
To mute the call:
• Press
MUTE/
FLASH
on the headset to turn off
the headset microphone. When mute is on, the
MUTE light on the headset base is on and there
is a short beep every 15 seconds until mute is
turned off.
To un-mute the call:
• Press
MUTE/
FLASH
on the headset again and
resume speaking.