That's a great question and was something I looked into for this but ultimately went without. Being able to charge money directly to a user's phone bill is know

That's a great question and was something I looked into for this but ultimately went without. Being able to charge money directly to a user's phone bill is known as "premium" messaging[1], but unfortunately, it doesn't seem like Twilio supports that yet[2]. [1] http://en.wikipedia.org/wiki/Premium_SMS#Premium-rated_short_messages http://en.wikipedia.org/wiki/Premium_SMS#Premium-rated_short... [2] http://www.twilio.com/help/faq/sms/can-i-send-money-through-twilios-sms-messaging http://www.twilio.com/help/faq/sms/can-i-send-money-through-...