This post was published more than a few years ago (on 2013-01-16) and may contain inaccurate technical information, outmoded thoughts, or cringe takes. Proceed at your own risk.
This is the ringtone for Derek Flint's direct line to the President in the 1966 movie, Our Man Flint, which was a sort of parody of the James Bond movies of the time. The ringtone would also be later used as the sound of the electronic handcuffs in Hudson Hawk.