Gigaset C430HX modding
More documentation about C430 firmware modding can be found at:
https://osmocom.org/projects/misc-dect-hacks/wiki/Gigaset_C430_Hacking
YouTube video of a modded C430 phone:
https://www.youtube.com/watch?v=Dl5x1VhMqEg
Firmware hacking on the Gigaset C430 DECT phones (custom ringtones, etc.)
ShellGPL-3.0
More documentation about C430 firmware modding can be found at:
https://osmocom.org/projects/misc-dect-hacks/wiki/Gigaset_C430_Hacking
YouTube video of a modded C430 phone:
https://www.youtube.com/watch?v=Dl5x1VhMqEg