The market for Twilio is every phone in the world. We also offer SDKs for iOS and Android phones to make and receive calls with Twilio Client. http://www.twil

The market for Twilio is every phone in the world. We also offer SDKs for iOS and Android phones to make and receive calls with Twilio Client. http://www.twilio.com/api/client http://www.twilio.com/api/client