Huh, I was expecting a compendium of functional tones/tone-sequences, perhaps mixed melodically.
edit:edit: original entered link was crap, deleted link
Surprised the heck out of me to recognize something similar to a 1200bps (1200 baud) handshake from an (v.v. old) Interac POS unit, a couple of years ago. Have no idea what the current interface/protocol is.