@Test
public void testTransmission() throws Exception {

    Connection connection1 = echo.createLocalConnection(ConnectionMode.SEND_RECV);
    Connection connection2 = transmittor.createLocalConnection(ConnectionMode.SEND_RECV);
    
    connection2.setOtherParty(connection1);
    
    Component c = transmittor.getComponent("audio.player");
        AudioPlayer player = (AudioPlayer)c;
    URL url = EchoTest.class.getClassLoader().getResource(
org/mobicents/media/server/impl/addf8-Alaw-GW.wav");
    player.setURL(url.toExternalForm());
    player.addListener(new PlayerListener());
    player.start();
    semaphore.tryAcquire(10, TimeUnit.SECONDS);
    assertTrue("Expected other number of packets", Math.abs(150 - count) < 10);
    
    assertEquals(true, echo.isInUse());
    assertEquals(true, transmittor.isInUse());
    
    echo.deleteConnection(connection1.getId());
    transmittor.deleteConnection(connection2.getId());
    
    assertEquals(false, echo.isInUse());
    assertEquals(false, transmittor.isInUse());
    
}