ATT3658B manual-updated 5/19/04 5:34 PM Page 5

About Handset Registration

1The cordless handsets that came with your system are automatically registered as Handset 1,Handset 2, and Handset 3.There is no need to re-register.

2You may register up to a total of six Expansion Handsets to this telephone system(Model 5800 handset sold separately).

3Additional handsets will be assigned Handset 4, Handset 5, and Handset 6.

4When you install the handset battery pack, the handset will display SEARCHING FOR BASE (if it’s registered) or ENTER BASE ID (If it has not been registered).

Register an Additional Handset (Model 5800 Handset)

1

Make sure to charge the handset battery pack at least 12 hours.

2

At the cordless handset,press the softkey under NEW .

3Enter the 15-digit Base Unit ID Code located on the underside of your Model 3658B base.

4 Use the softkey to select

OK .The screen displays PLEASE WAIT!!.

5After about 45 seconds, the screen displays FOUND BASE. If the handset displays BASE BUSY TRY LATER, the base is in use.

INSTALLATIONI

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AT&T 3658B user manual About Handset Registration, Register an Additional Handset Model 5800 Handset