Sending AT commands from XC167CI microcontroller to a modem gsm

First at all i want to thank all of you for the service that this comunity gives in order to solve our daily 'tiny' problems. Well, i am new in this forum and i expect i could help you in another...
Sending AT commands from XC167CI microcontroller to a modem gsm

First at all i want to thank all of you for the service that this comunity gives in order to solve our daily 'tiny' problems. Well, i am new in this forum and i expect i could help you in another...
i Send AT commands from 8051 to a TMAS GSM modem , then i link up the Tx line to hyper termnial

i Send AT commands from 8051 to a TMAS GSM modem , then i link up the Tx line to hyper termnial however the respond from the modem is the AT command i key in. anyone can teach me on how to slove...
i Send AT commands from 8051 to a TMAS GSM modem , then i link up the Tx line to hyper termnial

i Send AT commands from 8051 to a TMAS GSM modem , then i link up the Tx line to hyper termnial however the respond from the modem is the AT command i key in. anyone can teach me on how to slove...
sending sms throudh gsm modem code problem

hiii this is my code for sending sms throgh GSM MODEM ussing MICROCONTROLLER 8051....but im not getting output can u plz modify our code and tell suggestions if any.....i must submit my project in two...