Sending an SMS
Being able to send SMS text messages to our users is another way for us to connect with them.
It is possible to connect our computer to a GSM modem, interact with specialized libraries (such as Asterisk, asterisk.org, combined with ngSMS, ozekisms.com), and interface with the libraries and the telephony equipment to send SMS messages.
There are easier ways though. Services like Twilio provide gateway SMS services, where we contact them via an HTTP REST API and they handle the SMS sending for us.
Note
For detailed information on REST architecture, see http://en.wikipedia.org/wiki/REST.
In this recipe, we'll convert our newsletter mail out app into a blanket SMS service using the twilio
module.
Getting ready
This recipe requires a Twilio account (https://www.twilio.com/try-twilio). Once signed up and logged in, we should take note of our Account SID, Auth Token, and Sandbox phone number (we may have to select our country of residence to obtain the appropriate Sandbox number).
We'll...