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7.0

How to send SMS by AT Commands in PDU Format

Asked by teamsunarc in Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS)

Tags: C#.NET in Windows Application

I am sending sms through AT commands. The existing responses shows this thing.

AT OK
AT+CMGF=0 OK
AT+CSCA="+919839099999" OK
AT+CMGS="+919252425536" ERROR
Hello Sir What is going on Have You Got it?

It is showing the error in destination mobile number. How can I convert this mobile number to PDU format and should I change the Message also in PDU format. Because I am using sony ericsson M600i handset.

Please let me know that how can I send SMS by GSM mobile which is used PDU format. Thanks in advance.

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             ////Sets the properties of serial port object
                serialport.PortName = cboPort.SelectedItem.ToString();
                serialport.BaudRate = 9600;
                serialport.Parity = Parity.None;
                serialport.DataBits = 8;
                serialport.StopBits = StopBits.One;
                serialport.Handshake = Handshake.RequestToSend;
                serialport.DtrEnable = true;
                serialport.RtsEnable = true;
 
                //Open the port to send sms
                serialport.Open();
 
 
serialport.WriteLine("AT+CMGF=0" + Environment.NewLine);
  serialport.WriteLine("AT+CSCA=\"" + txtServiceNo.Text + ",145\"" + Environment.NewLine);
  //Sets destination number 
    serialport.WriteLine("AT+CMGS=\"" + sms.DestinationNo + "\"" + Environment.NewLine);
   //Specifies message and sends Ctrl+z
    serialport.WriteLine(sms.Message + (char)26);
    //Displays buffer containing output messages
    System.Threading.Thread.Sleep(1500);

           
         

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How to send SMS by AT Commands in PDU Format

Asked by teamsunarc in Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS)

Tags: C#.NET in Windows Application

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