AudioChannel audioChannel1 = new AudioChannel(new MediaLocator("javasound://"), InetAddress.getLocalHost()
.getHostAddress(), InetAddress.getLocalHost().getHostAddress(), 7020, 7002, new AudioFormat(
AudioFormat.GSM_RTP), null);
audioChannel0.start();
audioChannel1.start();
try {
Thread.sleep(10000);
} catch (InterruptedException e) {
e.printStackTrace();