Hayes : Java Glossary

by Roedy Green ©1996-2008 Canadian Mind Products
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Hayes: Hayes was one of the first companies to make modems for the XT/AT. They are now bankrupt. There is now an international standard that covers the core AT command set - the ITU (formally CCITT) V.25bis standard. The phrase "Hayes compatible" is a give-away that the modem is NOT compatible with any particular Hayes model. It means they concocted a hodgepodge of commands from various Hayes models with a dollop of extra features of their own. Hayes modems were high quality, and by definition did not have compatibility problems. The only thing the matter with them was their outrageous price. Hayes patented the +++ method of getting a modem into command state. Let’s hope that patent died along with the company. Many of the Hayes people are now with Ascend.
AT command set

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