ISDN modem

ISDN modem

[‚ī‚es‚dē‚en ′mō‚dem] (electronics) A device that converts signals used in a computer to signals that can be transmitted over the integrated services digital network, and vice versa.

ISDN modem

An alternative name for ISDN terminal adapter. The term is widely used, because the unit looks like a modem, connects to the same serial port as a modem and may support analog phones. See ISDN terminal adapter.