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Software that makes it possible to send and receive data over telephone lines through modems.
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)A modem that resides on an expansion board that plugs into a computer. In contrast, an external modem is a...
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Short for Point-to-Point Protocol, a method of connecting a computer to the Internet. PPP is more stable than the older...
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(1) A utility within an application that helps you use the application to perform a particular task. For example, a...
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A feature supported by many modems that enables your computer to accept incoming calls even if you are not present....
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(1) Short for Session Initiation Protocol, it is an application-layer control protocol; a signaling protocol for Internet Telephony. SIP can...