"audio/pcmu-wb",
				"audio/pcmu",
				"audio/prs.sid",
				"audio/qcelp",
				"audio/red",
				"audio/rtp-enc-aescm128",
				"audio/rtp-midi",
				"audio/rtx",
				"audio/smv",
				"audio/smv0",
				"audio/smv-qcp",
				"audio/sp-midi",
				"audio/t140c",
				"audio/t38",
				"audio/telephone-event",
				"audio/tone",
				"audio/ulpfec",
				"audio/vdvi",
				"audio/vmr-wb",

    private boolean smb2 = false;
    private InetAddress localAddr;
    private int localPort;
    private Address address;
    private Socket socket;
    private int port;
    private final AtomicLong mid = new AtomicLong();
    private OutputStream out;
    private InputStream in;
    private final byte[] sbuf = new byte[1024]; /* small local buffer */
    private long sessionExpiration;