Java VOIP

package Main;

import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.util.Base64;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.SourceDataLine;
import javax.sound.sampled.TargetDataLine;

public class main {

    static DatagramSocket Client = null;
    static String RHost = "127.0.0.1:2600";
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        try {
            AudioFormat format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 44100, 16, 2, 4, 44100, false);
            Client = new DatagramSocket(2600);

            Thread t = new Thread(new Runnable() { public void run() {
                try {
                    DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
                    TargetDataLine targetLine = (TargetDataLine) AudioSystem.getLine(info);
                    targetLine.open();
                    targetLine.start();
                    byte[] targetData = new byte[targetLine.getBufferSize() / 5];
                    while(!Client.isClosed()) {
                        try {
                            targetLine.read(targetData, 0, targetData.length);
                            String A1 = "|"+Base64.getEncoder().encodeToString(targetData) + "|";
                            DatagramPacket sendPacket = new DatagramPacket(A1.getBytes(),0, A1.getBytes().length, InetAddress.getByName(RHost.split(":")[0]), Integer.parseInt(RHost.split(":")[1]));
                            Client.send(sendPacket);
                        }catch(Exception e) {}
                        }
                }catch(Exception e) {}
            }});
            t.start();


             DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
             SourceDataLine sourceLine = (SourceDataLine) AudioSystem.getLine(info);
             sourceLine.open();
             sourceLine.start();
            while(true) {
                 try {
                     byte[] receiveData = new byte[204800];
                       DatagramPacket receivePacket = new DatagramPacket(receiveData,0, receiveData.length);
                       Client.receive(receivePacket);
                       String RawData = new String((receivePacket.getData()));
                       InetAddress IPAddress = receivePacket.getAddress();
                       int port = receivePacket.getPort();
                       String RHost = IPAddress.toString().replace("/", "") + ":" + port;
                       byte[] d1=Base64.getDecoder().decode(RawData.split("\\|")[1]);
                       sourceLine.write(d1,0,d1.length);
                 }catch(Exception e) {}
            }

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }




}