When using a Konftel 300Wx with a Gigaset N300IP or N510IP it may be necessary to upgrade the 300Wx to the latest firmware. If you are having problems making or receiving calls this should sort it.
- Go to go the Konftel firmware download page: http://www.konftel.com/Support/Upgrade
- Select “Konftel 300Wx” and scroll down to the bottom of the page
- Download the latest firmware version for use with SD card. The version is 1.9.8 at the time of writing
- Then download the “DECT module” firmware. The version of this is 932 at the time of writing
- Put both files onto a FAT formatted SD card in the root folder
- Insert the SD card into the 300Wx, navigate to the settings menu and select the upgrade mode option
- Press and hold the “hold” key on the 300Wx (bottom left of the keypad)
- Follow the instructions on screen
- Once the firmware image upgrade has completed, go back into “menu” -> “Settings” -> “Upgrade Mode” and this time select DECT
- Wait approx 3 minutes for the upgrade to complete
- Finally, reboot the 300Wx