GSMShieldSoftwareSerial.ino

//Serial Relay – Arduino will patch a
//serial link between the computer and the GPRS Shield
//at 19200 bps 8-N-1
//Computer is connected to Hardware UART
//GPRS Shield is connected to the Software UART

#include <SoftwareSerial.h>

SoftwareSerial mySerial(7,8);

void setup()
{
Serial.begin(19200);
//Serial.println(“Begin”);
mySerial.begin(19200);

}

void loop()
{
if (mySerial.available())
Serial.write(mySerial.read());
if (Serial.available())
mySerial.write(Serial.read());

}