SMS from PC to Hp Using GPRS Moden

Hi i have attached my code that need to send SMS from PC to Handphone 
using iTegno(3832) GPRS Modem. I am using MSP430F22x4 micro controller.
The code that is highlighted in red is my code to send SMS from PC to 
Hp. But i am having some warnings in my code once it is complie in IAR 
Embedded Workbench. So Can someone help me to solve the problems? If the 
code that i am uisng to send SMS is not appropriate pls let me know also 
and provide me a sample code to Send SMS from PC to hp using the GPRS 
Modem. Thank You.