Question about Uniden TRU9480 Cordless Telephone
So the phone rings and I answer it. Can't hear anything. When I hang
up, there's no dial tone. It comes back on by itself OR I once
unplugged the power and replugged it back in and the dial tone came
back on. This doesn't happen all the time. Just occasionally, randomly.
The base is plugged into the same outlet as the fridge--could this be related?
It's definitely at the base as I plugged in a corded phone with a dial tone at the same time the uniden cordless was unable to get a dial tone. It wasn't until I unplugged the power that I got the dial tone.
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Posted on Jan 02, 2017
Sounds like the switching mechanism that creates the link is stuck. When you answer your phone, you allow the voltage to complete it's path and you either answer the phone or you hear dial tone. If that switch is stuck closed, even though you hung up the phone, the connection is still alive. When you try to pick the phone back up later, the connection is still closed, but your phone has already passed it's "if you would like to make a call" message and you hear no dial tone. Unplugging the power to the phone resets this switch and all is good again.....that is until it gets stuck again. I have seen this problem with phones after a near lightening strike at the house. Sounds like you need to get a new phone as I don't think this is repairable.
Posted on Jan 20, 2008
Hi peddler65, did you plug your phone into another area to see if there is a dial tone. Then if not call the phone company or find the D-mark (where your dial tone ) comes into your home and put a jack on that and plug a phone in with all phones
in the house unplugged.
Posted on Nov 15, 2008
SOURCE: Uniden 1725 no dial tone
I had the same problem as long as they are plugged in correctly and you put the #2 handset into the #1 cradle to register it to your base then try hanging the phone up several times. These are expandable phones so that I believe you can keep adding other handsets. So sometimes they think you have a few more handsets than you really have so when you hang up it may not know what handset you are hanging up #1 #2 or #3 #4 etc. So I had to keep hanging them up until it finally hung up. Then I had to re install them so it knew I only had 2 hand sets. So then you start from the beginning, like when you took it from the packaging. I hate these phones. I ended up replacing them with different ones. Plus I always keep a rotery phone laying around put away because during a power outage you still can plug in an old dial phone and it will work! Nothing like old technology.
Posted on Feb 15, 2009
You might have missed some relevant information while troubleshooting. Here is a link to the manual.
Select model and download manual.
Hope it helps.
Posted on Sep 14, 2009
Make sure the phone and the phone base is turned on. Check the phone cables at the back of the phone base where you charge your cordless phone. It should be properly connected to the phone jack on the wall and at the back of the phone base. Try unplugging and replugging it back in. If that fails, try changing the phone cable. If still there's nothing, try to connect another phone on the phone line. If you get a dial tone, it means you have a problem with the wireless phone set, if not, contact your phone company.
Posted on Nov 11, 2009
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