Question about Panasonic KX-TG5621 Phone

4 Answers

Volume changes on my Panasonic KX-TG5621

We have two Panasonic cordless phone setups. A dual phone in the house and a single one in the shop. The volume on the one in the house is inconsistent. At times it sounds normal and then it may drop to the point where the volume is so low the person on the other end is inaudible. Some times it works and some times it doesn't. I've swapped the phones between the house and shop. Out there I've had no problems. Other than a 400 MHz remote for the TV we have no other wireless devices in the house (that I know of). We do have a computer network, but it is a hard wired CAT5e gigabit network. To me it appears as if there's an interfering signal, but I haven't been able to find one.

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  • Anonymous Jan 18, 2008

    I'm having the same problem. Unless I am standing next to the base, it's like the call gets dropped - no sound. I thought the 5.8 GHZ was supposed to prevent such problems.

  • swinghandle Jan 24, 2008

    I've got the same problem when I talk the ear piece volume drops. I looked in the manual and tried the sound boost and voice enhance but neither improved the problem. I did not have this problem when the unit was new. KXTG5623 model.

  • mcwcaller Feb 02, 2008

    I have the same problem with the Panasonic kx-tg5621. It is intermittant, but constant. Using the speaker phone option sometime helps a little, but it too is inadequate. I'll probably try to return it for a different brand.

  • delancey Feb 15, 2008

    I am having the same problem - the volume of the person I am speaking to goes in and out. I have tried adjusting the audio volume key but it doesn't help. What is the problem and what recourse do I have? My model # is kx-tg5623

  • Anonymous Feb 17, 2008

    Nice to know I'm not alone. Kinda... My phone is having the same exact problem described here. This Panasonic POS phone should be avoided since it seems to be a manufacture defect.

  • DRATWO Feb 22, 2008

    Same prolems here, low volume and hard to hear people talking. I was hoping there was an easy fix. Doesn't look like it. But using the speaker function does help..but not a satisfactory fix in my book.

  • rhalstead Feb 22, 2008

    Thanks, but we've been repeatedly unplugging the base over the last year. The first time we thought that was the solution, but after a couple of weeks it went back to the same problem. So we unplugged it again and it worked again...for a few days. Sometimes after unplugging it may work for a week or so and some times only for a few hours.

    Originally Panasonic replaced the base and phones. The new ones worked fine for several months. Then it was back to the same old stuff. I'm about to pitch the whole works and get something different.

  • rhalstead Apr 19, 2008

    This is apparently known defect as right in the directions it says, If the volume is weak, move closer to the base. IF that doesn't work, sent them in for replacement which we did. When the replacements started doing the same thing we should have returned them immediately, but one thing and another and they didn't get returned within the warranty period.

    To those that have this problem, get them back to the company for replacement within the warranty period.

    As the signals drop instead of fading which digital should do there may be another signal, or noise interfering. OTOH it may just be a poor design. What I need is a good spectrum analyzer that will hit 5 Gigs, but they are a wee bit on the expensive side, even used.

    As I can not pin it down to an actual problem with the phone I'd not go so far as to tell people to stay away from this phone, but I'd certainly not recommend it.

  • Vulcanman Sep 10, 2008

    I have had the phone for nearly 2 years.  For the last year or so the volume has worsened to the point that it is nearly impossible to hear incoming calls. The phone is of use at this point and I guess I'll have to replace it - not with another product!

  • sunnydaefarm Oct 29, 2008

    We just started having this same problem and I have enven had the phone company out to check our lines. I am now wondering if I should spend the money buying a new battery for the handset or just getting a band new phone.

  • Anonymous Dec 27, 2008

    I just unplugged the base unit and it appears to have worked! (at least for now). Thanks for the suggestion.....

  • pantecretor Mar 15, 2009

    Same here. Sound is so weak now, even the speakerphone doesn't cut it!



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I have the same problems described above. I have a filter on all of my phone lines ( I have DSL) and the problem was solved temporarily. Then, the low volume resumed.

Posted on Apr 19, 2008


If you have DSL then you need to put a filter on your phone lines.

Posted on Apr 17, 2008


I've got the same problem with my phone KX-TG5621. I have no oher wireless devices in the house. I actually have returned this phone for another of the same model and it still does the same thing. I think it actually is the phone itself. These phones may not actually be as good as it seems. Does anyone else have these problems?

Posted on Jan 21, 2008

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I was having the same problem, low volume, with the KX-TG5621. While looking at this message board, I unplugged the base unit and pulled the battery out of the phone. Plugged the unit back in and reinserted the battery. I had to then place the phone back on the base. The problem is fixed now. The wireless function of my laptop did not seem to have any effect on the receiving volume.

I tried taking the battery out of the phone before but that did not work. I guess you have to unplug the base unit.

Posted on Feb 22, 2008

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