Brush up on your Chinese zodiac for the Year of the Snake, which begins Feb. 10. Brush up on your Chinese zodiac for the Year of the Snake, which begins Feb. 10.
A fast busy signal on a cellphone means that all of the cellular circuits are tied up by other users, and the call cannot go through to the intended person. In these instances, a caller must hang up and redial until the cellular circuits can transfer the call to the intended person. Keep Learning.
RE: regular busy vs fast busy. I always understood that a 'fast busy' indicated a busy from one central office switch to another central office switch. A slow busy indicates the person that you are trying to call is on the phone. A goggle search appears to agree for the most part.