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I am using the message prompt so when ever my gsm module gets a message it sends me a string of+CMT and the string containg the details and message. So I keep a check to see if the prompt is + or any other thing but the gsm sends me a carriage return first and then continoulsy device control 1 so iam not able to read the message correctly.
I have connected the module it is working fine. I have also simulated the code using proteus its working too. But when I connect the controller and gsm module it does not work.