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I'm trying to show sms messages in modem (I use my phone as modem), Port connect successfully by using AT commands and I can Import the number and date but the body of message show as number. this is my code : 

port.Write("AT" + System.Environment.NewLine);
        Thread.Sleep(1000);

        port.WriteLine("AT+CMGF=1" + System.Environment.NewLine);
        Thread.Sleep(1000);
        port.WriteLine("AT+CMGL=\"ALL\"\r" + System.Environment.NewLine); //("AT+CMGL=\"REC UNREAD\"\r");          
        Thread.Sleep(3000);
        MessageBox.Show(port.ReadExisting());

[1]: https://i.stack.imgur.com/NzCvh.png these is the result

Lennart
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Ali Alshamre
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    That looks like PDU so AT+CMGF=1 is being ignored, ensure the modem issues an OK in response to it. – Alex K. Aug 19 '17 at 14:40
  • I write these line – Ali Alshamre Aug 19 '17 at 14:40
  • Virtually [the exact same question](https://stackoverflow.com/q/33234810/23118) has been asked before. Everything I wrote in [my answer](https://stackoverflow.com/a/33266839/23118) applies to this question. – hlovdal Aug 30 '17 at 21:34
  • Possible duplicate of [Unable to send SMS through C# code using System.IO.Ports using gsm modem](https://stackoverflow.com/questions/33234810/unable-to-send-sms-through-c-sharp-code-using-system-io-ports-using-gsm-modem) – hlovdal Aug 30 '17 at 21:34

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