dial-in

Meanings

1. Of a system or service: accepting incoming connections over a telephone line.
2. Of a radio or television program: synonym of call-in.
3. Of a computer, set up to accept incoming modem calls.
4. Dial-up.

1. The act of connecting to a system or service by means of a telecommunication network.
2. A driver's estimate of the time required to reach and cross the finish line, used to determine the head start for each vehicle.

Etymology

Deverbal from dial in.