Reloading the browser cache can be required to make the GUI render correctly. Use CTRL+SHIFT+R or CTRL+F5 or SHIFT+F5 to reload it.

Nomenclature works as following, for example: 23.01.02(-rc03)

23.x Firmware

23.01 - 20.06.2023

Firmware Version 20.06 or 21.03 or above need to be installed before installing the 23.01 firmware.

IMPORTANT: Read this before installing the 23.01 Firmware!


21.x Firmware

Firmware Version 20.05.04 or newer needs to be installed, before installing the 21.02 firmware.

TLS SIP server certificate is now verified by default, make sure you upload the correct certificate or disable verification in the stack settings!

21.03 - 09.05.2023

21.02.02 - 11.11.2022

21.02.01 - 01.08.2022

21.02 - 11.03.2022

21.01 - 03.08.2021


20.x Firmware

20.06 - 26.04.2023

20.05.04 - 10.12.2021

20.05.03 - 17.05.2021

20.05.02 - 09.04.2021

20.05.01 - 17.12.2020

20.05 - 16.12.2020

IMPORTANT INFO: Switching to german language renders the GUI inaccessible due to a bug.
In this case: install the 20.05.01 Firmware by rebooting into update mode by calling:

http://<gateway-IP>/app/api/api.php?apiCommand=FirmwareUpdateReboot

(replace the string <gateway-IP> with the IP of your gateway)

20.04.01 - 13.08.2020

20.04 - 07.08.2020

20.03 - 05.06.2020

20.02 - 19.02.2020

20.01 - 06.02.2020


19.x Firmware

19.07 - 11.12.2019

19.06 - 18.10.2019

19.05 - 02.10.2019

19.04 - 30.09.2019

19.03 - 28.08.2019

19.02 - 06.08.2019

19.01 - 27.06.2019

Most notable changes in comparison to current 16.15 firmware:

16.x Firmware

16.17 - 19.11.2019

16.16 - 24.09.2019

16.15 - 19.06.2019

16.13 - 29.03.2019

16.12 - 11.01.2019

16.11 - 16.08.2018

16.10 - 05.07.2018

16.09 - 23.04.2018

16.08 - 07.11.2017

16.07 - 25.07.2017

16.06 - 28.06.2017

16.05 - 27.01.2017

16.04 - 22.12.2016

16.03 - 29.11.2016

Known Issues:


3.0 STABLE - Firmware

3.0.19 - 25.07.2017

3.0.18 - 24.05.2017

3.0.17 - 03.02.2017

3.0.16 - 18.01.2017

3.0.15 - 12.01.2017

3.0.14 - 10.01.2017

3.0.13 - 29.11.2016