hi every one My Objective: i am trying to test my new GSM and GPRS modem that i brought from local electronics market. And i want check the functionality like sending and receiving SMS,CALLING,GPRS functionlity etc..
for this i am trying to test this modem using AT commands... these are the results that i am getting
RDY +CFUN: 1 +CPIN: READY Call Ready AT OK AT+CMGS="78XXXXXXXX" > HAI I AM WORKING.... > +CMS ERROR: 302
this error message i am getting when i am pressing "ctrl+z" to end the message. And this Error : 302 is indicating that "Operation not allowed" the simcard that i am using is postpaid ....
and some times i also getting the following results
RDY +CFUN: 1 +CPIN: READY Call Ready +CPIN: NOT READY
which is indicating that sim card is not detected...
can any one who is reading this post help me out..
thanks in advacne