With a creative dialplan design one could do this with a private Asterisk installation (asterisk is behind so many of these cheap disposable phone number/voip p

With a creative dialplan design one could do this with a private Asterisk installation (asterisk is behind so many of these cheap disposable phone number/voip providers anyway), though I suppose if one wanted to use someone else’s platform and infrastructure it’d be probably less effort with twilio or plivo