AT&T TL90073 User Manual download pdf (Page 16)

Registration and deregistration

Deregistering handsets

Deregistering all handsets from the telephone base for

AT&T models TL96273/TL96323/TL96373/TL96423/TL96473

Make sure that all handsets are out of the telephone base and

chargers before you begin deregistration.

Press and hold /HANDSET LOCATOR on the

telephone base for about 10 seconds until the

base screen shows Deregister all devices?,

then release /HANDSET LOCATOR.

Quickly press /HANDSET LOCATOR again,

or press YES . You must press /HANDSET LOCATOR or YES

within 5 seconds. If the telephone base returns to the idle

screen, start again with Step 1.

The telephone base shows Deregisted all devices and then

returns to the idle screen. All system handsets show

To register, see user manual and you hear a confirmation

tone when the deregistration completes. The deregistration

process takes about 10 seconds to complete.

After deregistering, register each handset again individually.

See Adding and registering handsets on page 9.

NOTES:

If the deregistration process fails, you may need to reset the system and

try again. To reset, unplug the power from the telephone base and plug it

back in.

You cannot deregister the handsets if any other system handset is in use.

Even if the battery is depleted, you can still deregister the handsets by

following the steps, as mentioned above.

•

Deregister

all devices?

NO YES

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AT&T TL90073 User Manual Page 16