Just for some additional info: I have the module connected as described here: http://www.espruino.com/SIM900. Also I am using that sample code as well with some small changes like using 9600 baud vs the 115200 since the wiki page for the pi module says its 9600.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Just for some additional info: I have the module connected as described here: http://www.espruino.com/SIM900. Also I am using that sample code as well with some small changes like using 9600 baud vs the 115200 since the wiki page for the pi module says its 9600.