Tengo pulled out his paperback and started reading slowly, in a clear, audible voice, taking two or three breaks along the way to catch his breath.

NEWYORKER: Town of Cats

When a story breaks so can your voice.

BBC: Mark Simpson: How technology has transformed the job

Under QOS, the data packets that comprise the back and forth of a voice conversation can't be late--or the conversation breaks up.

FORBES: The Near Future Of Wi-Fi