The ringing pattern is hackneyed as ring cadence. This only applies to POTS fixed phones, where the lank voltage ring signal is switched on and off to discover the Samsung Ringtones ringing pattern. In North America, the standard ring cadence is "2-4", or two seconds of ringing followed by four seconds of silence. In the UK, the standard ring cadence is 400 ms on, 200 ms off, 400 ms on, 2000 ms off. These patterns may vary from region to region, and other patterns are accustomed in altered underdeveloped nations around the world.

The interrupted ring signal was designed to attract debate and modules showed that an intermittent two tone ring was the easiest to hear. This had nothing to do with the coded ringing that was used on party line.