GSM interfaced with 8051

hi i have interfaced GSM SIM300 device with microcontroller 8051 , i am building a application that when the message is recieved from mobile the relay should get on . I am able to send the commands...
gsm interfacing with 8051

Hi, I am interfacing GSM modem with 8051 mc. I am able to send message from gsm modem by giving command through microcontroller. but i am not able to read message from gsm modem and cannot display...
GSM interfacing with 8051

Dear friends my application is that when i give 3 ring to the gsm connected with controller one relay should be ON and if i give 4 ring to it another relay should ON. can any one help me with this and...
gsm interfacing with 8051

Hi, I am interfacing GSM modem with 8051 mc. I am able to send message from gsm modem by giving command through microcontroller. but i am not able to read message from gsm modem and cannot display...
GSM interfacing with 8051

Dear friends my application is that when i give 3 ring to the gsm connected with controller one relay should be ON and if i give 4 ring to it another relay should ON. can any one help me with this and...