GSM Modem Interfacing Problem

hi frieds, I am doing interfacing gsm modem with my com port through vc++ application. we have three majore function 1) check signal strength 2) read sms using at+cmgl="ALL" 3) send sms using...
GSM Modem Interfacing Problem

hi frieds, I am doing interfacing gsm modem with my com port through vc++ application. we have three majore function 1) check signal strength 2) read sms using at+cmgl="ALL" 3) send sms using...
interfacing gsm modem with microcontroller problem

Hi!! I am doing a project based on gsm.Here i need to interface microcontroller at89c52 with gsm modem.I am using a sim300 modem.Main objective is to send sms using gsm by providing AT commands from...
interfacing gsm modem with microcontroller problem

Hi!! I am doing a project based on gsm.Here i need to interface microcontroller at89c52 with gsm modem.I am using a sim300 modem.Main objective is to send sms using gsm by providing AT commands from...
GSM MODEM INTERFACE

hello everyone , i am facing a strange situation. i simply sent AT<CR> to gsm modem but in response receive only CR and character A instead of proper response i.e. <cr><lf>ok<cr><lf> already tied...