The AT&T E5965C can handle 8 remote handsets. #'s 2 and 4 have been lost or broken and I need to deregister these 2 so I can add 2 more handsets.
SOURCE: How to de-register handset from
First deregister all handsets:
Step 1: At the base, press MENU, scroll to BASE SETTINGS, then press OK.
Step 2: Using the base dialpad, enter * * 3 3 5 7 8 2
Step 3: Re-register each system handset:
At the base, press MENU, scroll to DISPLAY BASE-ID, then press OK. The 15-digit base ID number will be displayed.
Step 4: Using the handset dialpad, enter the base ID number. Repeat the registration procedure for each system handset. Each handset is assigned a number in the order of registration
SOURCE: 2355 at&t phone
you will need to call att or manage your phone online at http://www.att.com/gen/landing-pages?pid=3308
SOURCE: I need to de-register an
When the handset is searching for the base, click the new button, then enter the 15 digit base ID number into the handset.
SOURCE: I have an AT&T E5862bc
Hi,
Welcome to Fixya. Provided the link below of the manual of the phone to guide you on how to register a new handset. It also provides you all the information that you need to know about the phone.
AT&T E5862bc Manual
Thanks for using Fixya.
SOURCE: I am trying to replace
Hi well you do indeed have a problem, and you are correct in that yes that non-functioning handset is the one causing all the problems as it cannot be "De-registered".
Please find below your user manual, now download and have a look in the manual to see if indeed there are any "Reset" buttons on the base station, sometimes on some models there is a reset button that when activated, ie: held in for a few seconds while removed from the power, this will flush out all the old settings and allow one to reprogram it all again, this no doubt will sort out you problem. Sometimes it is a series of buttons that you hold down in an order to effect the same thing.
Otherwise you are going to have to fix that "bad" handset and use it to do it?
link for your user manual below.
http://www.retrevo.com/support/AT%26T-E5640-Telephones-manual/id/473dj195/t/2/
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