AT&T TL7612 - Manual (Page 6)

Quick reference guide - headset base
Charging cradle
Insert the headset here for charging.
PAIR
Press to register or deregister the
headset.
NO LIFTER MODE light
On when NO LIFTER MODE is
selected.
Flashes while on a call, or another
telephone is in use on the same
line.
Flashes quickly when there is an
incoming call.
LIFTER MODE light
On when LIFTER MODE is selected.
Flashes while on a call.
Flashes quickly when there is an
incoming call.
MUTE light
On when a call is muted.