a computer program used to identify

a program that will call a given list of numbers, and will record which of those numbers have modem, faxes, or any other computerized communication device hooked up to the line

a program used to recognize phone numbers that have the capability to connect with a modem

software designed to detect dial-in access to computer systems

Program that automates scanning for computers which will receive incoming modem connections by calling every phone number within a determined range of phone numbers.

A program that tries to gain access to a computer or telecommunication system by dialing a series of phone numbers, hoping to find a line connected to the system.

A computer program that automatically dials a series of telephone numbers to find lines connected to computer systems, and catalogs those numbers so that a cracker can try to break into the systems.