connecting sim900 with arduino mega

i have purchased this SIM900 GSM SHIELD, and i am getting hard time to get it connect with arduino mega, i have tried with no luck.

anyone to help me how to go about to connect it with my mega, pin configuration and the way to connect it since am kinda newbie to this world of arduino. it will be better if you attach it with an sms sending code because itw what i want to do with this connection.

Remove the two pin selection jumpers, then use a couple of wires to connect the middle two pins of the pin selection block to the Serial1 pins on the Mega. Then you can communicate with it using Serial1.print().

it worked