“touch tone”可以造什么句，touch tone造句

DTMF enables callers to use the touch tone keys on their telephones to respond to user prompts and selections.

You can change long distance dialing settings, disable call waiting or touch tone service, or specify how to get an outside line.

Signaling took the form of a series of multifrequency (MF) tones, much like touch tone dialing between switches.

Check to make sure your touch tone service setting is correct.