No am not getting any error Msg's also...if I type "AT " in Putty software it ll remain in that line only...it won't show "ok" in response,no response at al,not even error msg.....what's the problem I don't knw....
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But if I call to that number it ll ring,I tried to send commands from Rx and Tx pin of arduino also,even it dint respond.....plz anyone help me I hav to submit my project next week...
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Now am not getting ringing tone also ,wen I call to that Sim in gsm module....what's the problem?