Unable to read an SMS from Sim900a

문제

I have interface PIC16f877A with sim900a directly. I can send SMS but in case of Receving/Reading an SMS from sim900a I am failing.

I am unable to find the error, has anyone had a similar experience?

올바른 솔루션이 없습니다

다른 팁

Are the indicators for receiving an SMS message set correctly in the modem? Ensure:

AT+CNMI=1,1,0,0,0

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