Thread: Why i m not receiving correctly the SMS over length of more the a page Using AT Commands???

i m working on the SMS receiving using AT Commands using JAVA. i m getting the message of one page correctly using AT commands, but as i increase the size of SMS as 2, 3 or bigger pages the alphabets are converted to some thing like this
+CMGL: 0,"REC UNREAD","+923028910082",,"14/05/10,19:32:40+20"
4469616C202A3334352A393333232061757220536972662052 732E3230206D65696E20332064696E206B6120696E7465726E 65742028333030204D422920686173696C206B6172656E2120 7777772E776170747269636B2E636F6D2070657220736F6E67 73206175722067616D657320656E6A6F79206B6172656E2120 42616C616E636520636865636B206B206C7965202A39393923 206D69

whats the problem i m not getting the right text which i have sent through my mobile phone.
please help me out it very urgent

my function of receiving SMS is as follows

public void send(String cmd) {
    try {
      outputStream.write(cmd.getBytes());
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
public void recieveMessage() throws InterruptedException, IOException{
 
       send("AT+CMGF=1\r");    //send ok if suport txt msg
        Thread.sleep(100);
 
 
 
        send("AT+CMGL=\"REC UNREAD\"\r");  //return list mesgs received on gsm modem
 
 
         byte[] readBuffer = new byte[2048];
                try {
 
                    InputStream inputStrea = null;
                    inputStrea=serialPort.getInputStream();
                    int numBytes = inputStrea.read(readBuffer);
 
                    //print response message
                    String st=new String(readBuffer);
                    st=st.trim();
 
 
                    System.out.println(st);
 
                    setRecieveMsg(st);
                } catch (IOException e) {
                }
                send("AT+CMGD=1,4\r");
}

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