Question about AT&T E5813B Trio Cordless Phone
You have to hang up the first phone then press the "phone on" button twice on the second phone.
Posted on Apr 14, 2008
I had the same problem with all three of my handsets - "OTHER HANDSET ON OR OUT OF RANGE" when I pressed the PHONE on button. My problem appears to have been caused by my 16 month old grandson unplugging the Power Adapter for the Telephone Base unit. Once it was plugged back in all the phones worked normally.
Posted on Aug 27, 2008
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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