Question about Uniden TRU8866 Cordless Phone

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I need to deregister missing handset #1

I bought a refurbished tcx905-s which came with two handsets but thinks it has three. I need a way to deregister the missing #1 handset so that I can see handsets #1 and #2 instead of handsets #2 and #3. It's no major dilemma but it's driving me nuts!

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To de-register HANDSET #1:

1) Grab any working handset which is registered to your base (so HANDSET #2 or #3 in your case)

2) Press and hold the "END" + "#" key for 5+ seconds (wait for it to beep)

3) Choose the "Deregister HS" menu option

4) Pick HANDSET #1 as the handset ot de-register (since that's the "phantom" registered handset)

5) Once de-registered, you can de-register handsets #2 and #3 directly from each handset's "normal" menu interface (i.e. press "Menu", choose "Deregistration")

6) Thereafter, if you re-register your handset, they should start at HANDSET #1, then #2, and so on.

Posted on Mar 19, 2010

  • Anonymous Mar 19, 2010

    On the TCX905 handset, the "END" key is the RED "HANG UP CALL" button.

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