Unable to read an SMS from Sim900a

StackOverflow https://stackoverflow.com/questions/22112351

  •  18-10-2022
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题

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?

没有正确的解决方案

其他提示

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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