Hi,
Welcome to the forum.
Please read the first post in any forum entitled how to use this forum.
http://forum.arduino.cc/index.php/topic,148850.0.html
GSM Module
What GSM Module or shield, can you post a link to data/specs please?
The gsm library that i am using uses software serial at pin 10 and 11
Which GSM library,can you post your code please?
Thanks.. Tom.. 