20 Most Recent AT&T DECT 6.0 Cordless Phone System with Digital Answering Machine - Page 7 Questions & Answers

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I bought a new AT&T 2300 to go with my

possible that the new hand sets are not compatible with the base as it requires same hand sets as the base for the base to be able to register the handsets follow the user manual to see if there is a how to register section that will help identify the problem
1/31/2018 12:12:17 AM • AT&T Lands... • Answered on Jan 31, 2018
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How do I deregister handsets on my AT&T 5840 Base. I have new ones to replace missing ones that are still registered on the base. I am hoping there is a way to clear registered phones on the base.

If you still have access to the old base you can de-register the handset by following a simple process. You will have to de-register all handsets registered to that base.
  • 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 IN USE light starts to flash), then release the /HANDSET LOCATOR button.
  • Immediately press /HANDSET LOCATOR while the
IN USE light is still flashing. (The light flashes for about seven seconds. If the light stops flashing, start again with Step 1.)
  • It takes up to 10 seconds to complete the deregistration process. Wait
1/5/2018 12:14:15 AM • AT&T Lands... • Answered on Jan 05, 2018
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AT&T CL84209 spontaneously displays "line in use" with no dial tone After a period of time everything returns to normal

This is a good argument for buying the cheap $$ extra warranty. If you didn't, try taking it back to seller to see if there's anything they will do for you.
11/3/2017 4:47:50 PM • AT&T Lands... • Answered on Nov 03, 2017
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I have at&t 974 phone line 2 has no dial tone

1st check with the phone company.
10/26/2017 8:29:21 PM • AT&T Lands... • Answered on Oct 26, 2017
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