Package audioio declares audio input/output interface and defines a few common implementations TLDR; Go itself cannot work with Microphone's well BUT it can bind with C-libraries which can do this with a bit of black-magic.

To live test it: flyctl deploy flyctl launch ngrok http 8081 # take the printed url s/https/wss and update the Twiml config (if not already) # https://console.twilio.com/us1/develop/phone-numbers/manage/incoming # <?xml version="1.0" encoding="UTF-8"?> # <Response> # <Connect> # <!-- <Stream url="wss://vocode-golang.fly.dev/ws" /> --> # <Stream url="wss://7e98-24-130-57-37.ngrok-free.app/ws" /> # </Connect> # </Response> go run cmd/twilio/twilio_main.go # websocat wss://vocode-golang.fly.dev/ws # call your Twilio number */.