/* Send RTP packet over the network */
        public void Send(int length)
        {
            UpdateSequence();

            /*byte[] sendBuffer = new byte[length];
             * System.Array.Copy(buffer,sendBuffer,length);
             * connection.Send(sendBuffer,length);*/
            upack.SetData(buffer, 0, length);
            upack.Length = length;

            usock.Send(upack);

            if (upts)
            {
                upts       = false;
                buffer[1] -= 0x80;
            }
        }