interfacing arduino mega 2560 with arduino GSM shield

Development Tools IDE 1.x
1

Hello everyone!

Can anyone help to connect the arduino mega 2560 with the arduino GSM shield (Sim900)?

http://www.dx.com/p/arduino-compatible-gsm-gprs-shield-wireless-extension-board-module-w-antenna-adapter-144865#.VHhTZIuDmSo

thanks in advance..