Refer http://www.engineersgarage.com/microcontroller/8051projects/interfacing-gsm-8051-microcontroller-circuit-code. if you want to send or receive sms google fot at command to send and receive sms.
Refer http://www.engineersgarage.com/microcontroller/8051projects/interfacing-gsm-8051-microcontroller-circuit-code. if you want to send or receive sms google fot at command to send and receive sms.