2 Android Cihaz Wifi Üzerinden Sesli İletişim

Merhaba arkadaşlar 2 android cihazı aynı ağa baglı wifi üzerinden 1 i client 1 server olmak üzere clientten server a ses gönderimi yapmak istiyorum ancak io exception da hata alıyorum kodlar :

client-------------------------------------------------------------

  DatagramSocket socket = new DatagramSocket();
                    Log.d("VR", "Socket Created");
                    durum3.setText("Socket Created");


                    byte[] buffer = new byte[minBufSize];
                    Log.d("VR", "Buffer created of size : "+minBufSize);
                    durum4.setText("Buffer created of size " + minBufSize);


                    DatagramPacket packet;

                    final InetAddress destination = InetAddress.getByName(ip.getText().toString());
                    Log.d("VR", "Adress Retrieved");
                    durum5.setText("Adress retrieved");


                    recorder = new AudioRecord(MediaRecorder.AudioSource.MIC,sampleRate,channelConfig,audioFormat,minBufSize);
                    Log.d("VR", "Recorder initialized");
                    durum.setText("Recorder initialized");


                    recorder.startRecording();

                    while(status == true) {


                        //reading data from MIC into buffer
                        minBufSize = recorder.read(buffer, 0, buffer.length);
                        //putting buffer in the packet
                        packet = new DatagramPacket (buffer,buffer.length,destination,port);

                        socket.send(packet);
                        durum.setText("MinBufferSize : " + minBufSize);

                    }

                } catch(UnknownHostException e) {
                    Log.d("VR", "UnkownHostException");
                    durum.setText("UnkownHostException");
                } catch (IOException e) {
                    Log.d("VR", "İOException");
                    durum.setText("IOException");
                }

server------------------------

 DatagramSocket socket = new DatagramSocket();
                    durum.setText("Socket Created");

                    byte[] buffer = new byte[256];

                    //minimum buffer size. need to be careful. might cause problems. try setting manually if any problems faced
                    int minBufSize = AudioRecord.getMinBufferSize(sampleRate, channelConfig, audioFormat);

                    speaker = new AudioTrack(AudioManager.STREAM_MUSIC,sampleRate,channelConfig,audioFormat,minBufSize,AudioTrack.MODE_STREAM);

                    speaker.play();

                    while(status == true) {
                        try {


                            DatagramPacket packet = new DatagramPacket(buffer,buffer.length);
                            socket.receive(packet);
                            Log.d("VR", "Packet Received");
                            durum.setText("Packet Received");

                            //reading content from packet
                            buffer=packet.getData();
                            Log.d("VR", "Packet data read into buffer");
                            durum.setText("Packet data read into buffer");


                            //sending data to the Audiotrack obj i.e. speaker
                            speaker.write(buffer, 0, minBufSize);
                            Log.d("VR", "Writing buffer content to speaker");
                            durum.setText("Writing buffer content to speaker");

                        } catch(IOException e) {
                            Log.e("VR","IOException");
                            durum.setText("IOException");
                        }
                    }


                } catch (Exception e) {
                    Log.e("VR", "SocketException");
                    durum.setText("Socket Exception");
                }