need help with gsm shield and mega

The first to apologize to everyone, I use translator and understand if there are some mistake in spelling. Since I'm new to programming I need help. Trying to make sms scales which would send a position ,temperature and weight .Activation utility would call or motion sensor. I have a; arduino mega 2560, arduino gprsgsm shild uno , motion and weight sensor and DHT22 temperature-humidity sensor. I connect Arduino GSM/GPRS Shield with Mega as shown in picture I need others to connect i need a continue programming.

GSM_Call_Receive.ino (1.23 KB)