Question about Toshiba DKT-2020 Corded Phone

2 Answers

Toshiba dkt 2020

I bought a toshiba dkt 2020 phone on ebay. It has old numbers programmed in it and only works on speaker phone. I swapped out the phone with another one and now it's doing the same thing. I was trying to setup headset at the time.

Posted by mikeyboy1951 on

  • Anonymous Dec 14, 2007

    CAn you tell me were I can get the off-hook repair kit?


    [email protected]



2 Answers


I'm having the same problem-- I have several phones that do not have a working hook switch. Is there a way to repair/fix this myself? Or is it something I'm just going to have to pay to have someone fix?

Posted on Jun 05, 2008



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These phones do not store information of any kind. All the programming and memory is in the phone system itself.

The phone only works in speakerphone mode because the hook switch is broken. It is a VERY common problem that will happen to all of these Toshiba DKT2000 series phones at some point. The hook switch starts out just disconnecting calls and eventually will not let you use the handset at all. Unfortunately the problem can actually get worse even when the phone is not in use. That is why buying this series used is dangerous. Make sure the seller has replaced the hook switch and try to get a warranty.

Posted on Nov 12, 2007

  • Anonymous Nov 12, 2007

    Oh yes,

    Just a warranty when buying these used is no good. If the hook switch has not been replaced it WILL need to be repaired. If you are lucky it will break before the warranty ends and the seller will honor the warranty. Regardless you will have the aggravation and expense to ship it back. Make sure the hook switch is new... every time... before you buy it.



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I have a toshiba DKT 2020 SD and I need to change the time. Please help!!

Depending on the type of system you have powering the 2020,this should take care of it.
Leave the handset on hook, press intercom # 6 5 2, then enter the time of a 24 hour clock, entering 2 digits for the hour, 2 digits for the minutes, and 2 digits for the seconds - enter a leading 0 for any single digit entered,
press Redial,
press Speaker.
This must be done at extension 200 - usually the receptionist phone.
For example, if the time is 2:15 P.M., press intercom # 6 5 2, 1 4 1 5 0 0, Redial Speaker

Mar 18, 2011 | Toshiba DKT-2020 Corded Phone

1 Answer

Trying to download a users guide for the toshiba KT-2020

The DKT 2020 was used what a few different Toshiba systems. Users guides were referenced to the model and version of the systen rather than the model of the telephone. With that in mind, here's a link for a DK280 system, Most of the features should work ok.

Feb 15, 2010 | Toshiba DKT-2020 Corded Phone

1 Answer

How do you set the timeand date on a toshiba dkt

Hi there,

Please try this..

  1. From main console phone (lowest extension number i.e. x100) pick up handset and dial following codes:
  2. For Date: 651 YYMMDD Redial ----(YY=year, MM=month, DD=day)
  3. For Time: 652 HHMMSS Redial ----(HH=hours in 24hr clock, MM=minutes, SS=seconds)
  4. For Day of Week: 653 X Redial ----(X=day of week 1=sunday, 2=monday....etc.)
If won't work, try this

From Extension port 00 (usualy station 200)
  1. Lift Handset Dial #652
  2. Enter Correct Time HH MM SS
  3. Press Redial
  4. Replace Handset
Jeep Brainy

Aug 10, 2009 | Toshiba DKT-2020-SD telephone

1 Answer

Ringer on Toshiba DKT2020

You would have to go into program mode.
Program 81 would do the trick.

Aug 04, 2009 | Toshiba DKT-2020 Corded Phone

1 Answer

Mute option

Mute can only be done on the speaker phone. It is done by pressing the MIC button , it can be configured as a toggle or a press and hold. Your manuals and guides are here

Feb 23, 2009 | Toshiba DKT-2020-SD telephone

1 Answer

Caller ID

You have to have caller from the phone company, your phone system has to support caller ID, system has to be programmed by a technician or your local telecom dealer.

Oct 06, 2008 | Toshiba DKT-2020 Corded Phone

1 Answer

DKT-2020SD One Touch Button

the new phone will work just as the 10 button, just change programming for the remaining 10 button on the right.

Oct 03, 2008 | Toshiba DKT-2020 Corded Phone

1 Answer

Toshiba Telephone DKT 2020-SD

Hook switch is bad on the phone.

Sep 04, 2008 | Toshiba DKT-2020-SD telephone

1 Answer

How to re-program toshiba dkt2020

I have a bit of bad news... your hook switch is bad. It's extremely common for this model phone and every single one will eventually have the problem. Unfortunately the problem starts out intermittently hanging up on callers and people do not understand what is happening. They get frustrated and replace their entire system... This is where most of the used phones come from so most used, even most "refurbished" phones of this type have the problem or will within a few months to a year.


I have repaired many thousands of these phones and it is so common that I am completely sure this is the case. Your phone has progressed to the point where the switch no longer (or rarely) works. Unfortunately the switch continues to go bad even in storage so the phone may have worked to some degree the last time it was used.


Our repair service is listed in the FIXYA repair directory for the USA. If you are interested you can find us by entering your zip code to the repair search box usually on the right edge of the FIXYA screen.


For you problem with stored numbers... the DKT2020 does not have any memory at all. All features, settings and information is stored in the main phone system so any stored numbers, names, etc.. are on your phone system for the port you connected the phone to.

Oct 18, 2007 | Toshiba DKT-2020 Corded Phone

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