The Arduino GSM Shield allows an Arduino board to connect to the internet, make/receive voice calls and send/receive SMS messages
Featuring David Cuartielles
IMPORTANT NOTE: The video shows how to send SMS with the GSM Arduino Shield. The SIM from Telefonica coming with the shield works with a dataplan meant to make data exchanges over GPRS and cannot be used to send SMS. Please read our documentation page for more information.
Continue on:
http://arduino.cc/blog/2013/03/11/dive-into-the-new-arduino-gsm-shield/
