I did something similar years ago and used two selenoids to make it ring: https://www.hackster.io/ulrich-pech/iot-red-phone-083cfe https://www.hackster.io/ulri

I did something similar years ago and used two selenoids to make it ring: https://www.hackster.io/ulrich-pech/iot-red-phone-083cfe https://www.hackster.io/ulrich-pech/iot-red-phone-083cfe