“touch tone”造句，怎麼用touch tone造句

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

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

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.