Konftel 220/250/300

Support regarding our analogue procuts

How do I set up a conference call with a Konftel 220/250/300
This article applies to Konftel 220, Konftel 250 and Konftel 300. If three parties wish to have a conference call, it can be done with the help of the t...
Fri, 7 May, 2021 at 3:07 PM
Upgrade Konftel 300
To Install new firmware to your Konftel 300 conference phone, you will need to set the unit in upgrade mode. Remove power. Press and hold the Menu(cogwhe...
Fri, 7 May, 2021 at 1:43 PM
I don't get a dialtone when I press the green handset on my Konftel 300. What's wrong?
Check that the Konftel 300 is inthe Analogue line mode, by pressing the Line Mode button.
Fri, 7 May, 2021 at 11:37 AM
I get the message "Analogue overcurrent" on my Konftel 300, how can I solve that?
This message usually appears when you have connected the Konftel 300 to a digital line and not an analogue line that the Konftel 300 requires.
Fri, 7 May, 2021 at 11:44 AM
I press the R/F button but don't get a new dial tone when I want to call next participant on a Konftel 220/250/300. What's wrong?
You have to change the default R pulse/Flash time.  It can vary from country to country but also depend on the PBX to which Konftel is connected.
Fri, 7 May, 2021 at 2:08 PM
I get 'Microphone muted' when I connect Konftel 300 with the computers USB connection. Why?
Upgrade to the latest software. Upgrade Konftel 300 USB audio is then activated automatically.
Fri, 7 May, 2021 at 11:56 AM
I get no audio when using the mobile connection on Konftel 300
Make sure that you have selected the "Mobile" connection under "LINE MODE"/Connectivity-button.  Then you press the green off-hook butt...
Fri, 7 May, 2021 at 2:28 PM
The person on the other end who called in to the meeting says they hear an echo from my Konftel 220/250/300 What should I do?
Decrease the volume a notch, on the Konftel 220/250/300 with the Speaker Key on the left side. (also shown in the user guide p.17).
Fri, 7 May, 2021 at 1:41 PM
When I playback a SD recording on Konftel 300 it sounds "scrambled", what can I do?
With some SD cards the Konftel 300 has issues when it tries to read from it.  This is fixed in version 1.25 of the Konftel 300 software.  You can find mor...
Fri, 7 May, 2021 at 1:42 PM
I can't upgrade my Konftel 300 using the Konftel Upgrade Utility, are there any other options to upgrade?
You can upgrade your Konftel with a SD card.  Download the SD file from www.konftel.com/Support/Upgrade.  Put that in the root of the SD card and then put t...
Fri, 7 May, 2021 at 1:45 PM