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callers ?

April 26, 2017Callers

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callers ?

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There are two ways. The first utilizes a separate Caller-ID box with a serial cable or an internal card. This sends the information back to a PC which can then decide whether to answer the phone and what device should respond. Some of these are available which can handle multiple phone lines per card and multiple cards per PC. The second (and most common) is for the capability to be built in a modem or FAX/modem. While limited to a single line per modem, the information can be transmitted through the normal COM port to a program that again can decide whether or not to answer the phone and how. There is a FreeWare Caller-ID ASP script for Procomm Plus v2.x available for FTP from the Telecom archive. Most such software packages will also log each call as it is received and the action taken. Of course for true wizards, there are chips available (one of the first was the Motorola MC145447) that can recognize the CNID signal and transform it into a proper RS-232 (serial) signal.