+CMS ERROR: 302 and +CPIN: NOT READY problems

[ysrinivas]

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

 

[PA3040]

what kind of terminal software you are using
set speed 9600
I am using puTTY which is working for me

I thing you are using SIM900 modem

Did you try to call the modem?
then it shows 'RING" on display

AT+CFUN=?
+CFUN:  (0,1,4) , (0-1)
OK