For hackers of a certain age, the warbling of an analog modem remains something of a siren song. Even if you haven’t heard it in decades, the shrill tones and crunchy static are like a time machine ...

A family of modems developed by Hayes, which was the industry leader for many years (see Hayes). Hayes developed the "intelligent modem" for the first personal computers in 1978, and its command ...

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(ATtention command set) A series of machine instructions used to activate features on an analog modem. All cellular devices are required to support the AT commands as specified by the 3GPP. Developed ...