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

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ysrinivas

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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
Click to expand...

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
Click to expand...


which is indicating that sim card is not detected...

can any one who is reading this post help me out..

thanks in advacne
 

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

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