You might be able to host an instance of Asterisk [0] and set up call forwarding based on the extension [1]. I haven't played with Asterisk before, so I'm not

You might be able to host an instance of Asterisk [0] and set up call forwarding based on the extension [1]. I haven't played with Asterisk before, so I'm not 100% certain. [0] https://en.wikipedia.org/wiki/Asterisk_(PBX) https://en.wikipedia.org/wiki/Asterisk_(PBX) [1] https://www.voip-info.org/asterisk-call-forwarding/ https://www.voip-info.org/asterisk-call-forwarding/