Question about Radio Shack 433575 Cordless Phone

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Radio Shack 43-5860 Problem

I have a phone with answering machine and an extra handset. The answering machine and the phone that goes with that one work great. The problem I have is with the extra handset. It rings, and lights up and the caller ID works and the speakerphone option works but when I go to use the earpiece or just the handset to listen to the caller, I can hear them but they can't hear me. I have checked to see if the mute is on or the hold feature is on but it says it isn't. Does anyone have any ideas on how to fix this? Or instructions on how to reset it to factory default settings? Or if that is even an option. Any help would be greatly appreciated. I love my radio shack phones for their clarity on using earpieces when talking on the phone. I always use an earpiece when using them and they are the best that I have ran across in this feature but without being able to be heard while talking on this extension phone without it being on speakerphone, it's no good to me...Shelly

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: radio shack caller id

hello sir

Posted on Mar 09, 2008

  • 13 Answers

SOURCE: caller id dont work

just connect one end of the phone plug to the id caller,then connect the outlet of the caller id and fix it to phone...........even then if u hav problem, may be ur caller id doesn.t hav batteries..............otherwise u may hav some problem in the id caller socket where phone plugs r inserted................

Posted on Sep 08, 2008

  • 2761 Answers

SOURCE: manual for radio shack big button phone catalog

You can download and print your manual here:

Posted on Dec 13, 2009

  • 1340 Answers

SOURCE: I have two 5.8ghz digital

It most likely is that the batteries are about shot.One thing you can try is unplug the phone base for about 5 minutes.When you plug it back in,you may have to set all the handsets back on the base for a few seconds to re-synch them again.If that doesn't work,it's probably the batteries.Since 5.8 gHz is fairly recent,you can probably find replacements.Make sure they have the same exact rating if you do.Mine is 3.6V,650 mAh.That is just an example of what you specifically want to match,both numbers.The brand isn't as important as the numbers.They are also likely to be Ni-MH.It means nickel metal hydrade.Most current batteries are probably that anyways but just something else to watch for.Also,buy as many as you need but first try only one to see if it fixes it.Surprisingly,3 years for these phone batteries is about all they last.Just from knowing that makes me question how effective the electric cars will really be.If you end up replacing your phones,DECT is the new technology but from what I have seen isn't all that.They seem more hype than good according to problems I have seen.Some of the better ones are AT&T,Panasonic,GE,perhaps Motorola and Verizon though.We are waiting for a good sale on them though or to buy an older model.I have not read anything about Radio Shack brand as far as problems if they have one.If you need more help,just comment here and I will get an autolink to your post and reply ASAP.

Posted on Nov 15, 2010

  • 6771 Answers

SOURCE: When I call my mom's

There is a small electric condenser microphone in you mother's phone where she talks, and the part has become defective. Radio Shack use to carry three types, but whether they are still available is anyone's guess. If you are handy with a soldering iron all the better because if you find one, the phone will be given extended life, I have fixed dozens with good success.

Posted on Feb 02, 2011

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if you can get 2nd hand units for the 3325 base then the base will accept them ( any number of additions ) but if the hand piece is different it will not work
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Have you tried Uniden DXI-986-2 900 MHz Cordless Phone with Dual Handsets and Extra Charging Cradle. You would have to disable the base of the main unit of the Uniden and simply use it as a cradle/charger. Additionally, it may be to your advantage to bring along your Radio Shack Hand set when trying/buying the Uniden to see it they will pair up.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

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Base handset has interference.

If you still have a regular phone about, plug it inhere the base handset is connected and see if the symptoms remain. If they do, the problem is likely with your house wiring or the phone company. If no interference on the regular set, base handset may be defective. Try it at someone else's house.

Radio Shack (hurry :) has in-line filters that may clear up line noise.

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Need to replace batteries in handheld

they are available at walmart, radio shack , target, and kmart. normally. take the bad battery out of the handset and match it up with your replacement unit..reinsert it and connect it in and let charge for half a day..home depot and lowes has them also..

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You can order the battery direct from Uniden on their online store at:

It is also possible that Radio Shack may carry a replacement but I highly suggest if you check there you carry the phone handset or at least the battery with you.

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I just purchased a #43-143 corded/5.8ghz cordless phone - phone has a basephone and a hand phone. We do not need the answering machine as we have one on another phone in the office - can we disengage the...

The instructions are on page 76 of the user booklet: Press the answer on/off button, which is that little button with the circle and line through the top of the circle. Then press the line 1 or line 2 button. Then it should announce "Answering system is off".
By the way, Radio Shack has discontinued this model and additional handsets are not available. However, the handsets are the same as the Uniden TCX905, which are available.

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Any of these indicate it is time to replace it.

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