Bootstrapping….Get a phone and interface it to the cloud to send and receive the messages you want. Android will have some way of sending and receiving messages

Bootstrapping….Get a phone and interface it to the cloud to send and receive the messages you want. Android will have some way of sending and receiving messages from it. Just be mindful of the rate limits and any roles and regulations, but for a small implementation you should be ok. There’s another great example in the comments to email a phone number of you know what the provider is. Porting has made guessing this a little harder.