Dial-up adapter | Article about dial-up adapter by The Free Dictionary
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dial-up adapterHardware or software that dials up a telephone number. It often refers to the software in a PC that commands the modem to dial an ISP's telephone number for Internet access (see dial-up). However, for remote machine control over the telephone system, dial-up adapters are hardware devices required at both ends of the line. See dial-up network.