Welcome to SwitchPi website! We are concentrate on bringing the Raspberry Pi to Asterisk VoIP communication world.
We are producing a few modules, such as OAK8X, OAK, PiTDM, PiGSM, and DAWN modules.
The OAKR2 is released, which is a low power required, high performance improved new module, it is work with the Raspberry Pi 5V/2A power supply directly, you don’t have to required to use an extra power supply now! Check it out in OAKR2 specifications and it’s install manual.
The OAK8X provides a module which can support up 8 Asterisk channels, 4 onboard FXO ports plus 4 FXO or FXS ports with modularization, for more details, check it out in OAK8X specifications.
The OAK provides a module which can support one onboard FXO port and one FXO or FXS port with modularization, for more details, check it out in Oak specifications.