G BOARD connection problem with SIM900

i have G BOARD http://www.simplelabs.co.in/content/gboard-gsm-based-arduino-platform
it has d0 d1 d2 d3 jumper for hardware and software rx tx with arduino
i also GSM_shield library
but i cant receive response of SIM900 Lib_IM120411004_GBoard_SIM900.zip

i try to send AT using serial monitor of aduino..
AT but it cant response
so i need to change in my library or not...


sorry but this board of the forum is dedicated only to the official Arduino GSM shield (http://arduino.cc/en/Main.ArduinoGSMShield) that is based on a different GSM/GPRS module and library.

I moved the discussion in the proper section (Networking, Protocols, and Devices).