Last year I’ve worked on an open source soft phone where the proprietary backends are abstracted away, and you can switch them depending on your desired infrast

Last year I’ve worked on an open source soft phone where the proprietary backends are abstracted away, and you can switch them depending on your desired infrastructure. Twilio, PortSIP, and Abto are currently implemented as demo backends. https://github.com/automat-berlin/afone https://github.com/automat-berlin/afone