present participle of speed-dial

The use of a computer to dial a number repeatedly (usually to a crowded modem pool) in an attempt to gain access immediately after another user has hung up.

(US, telephony) A system of telephone dialing in which each digit is transmitted as a tone or combination of tones of specific pitch.

The ability to make an external telephone call to an internal extension within an organization.

Synonym of pulse dialing

present participle of dial down a notch

To have a computer dial a large number of phone numbers in search of devices for exploitation, such as modems or fax machines.

(transitive or intransitive) To make a telephone call in an inebriated state against better judgement, typically to a close or former friend.

plural of dial tone

A telephony signal, usually in the form of a sound, used to indicate that the telephone exchange is working, has recognized an off-hook, and is ready to accept a call.