This 'telephone' has too many shortcomings to be seriously considered as a means of communication. The device is inherently of no value to us.
Western Union internal memo, 1876
The Breakout for Two system consists of three components: the video-conference between the players, the detection engine to identify the impact of the ball, and the networking software. The impact data of where, when and how hard the ball hit the wall is transmitted over TCP/IP, and, along with the UDP video-conferencing information, synchronized with the other end.