How to Use This Reference


The commands and procedures described in this Reference are intended for use with a program that provides a command line interface to the modem, or if the modem is connected to an asynchronous terminal from which commands can be entered and sent through the serial port to the modem. Although commands are not required when using Hayes Smartcom (TM) products, Smartcom EZ (TM), Smartcom Exec (TM), Smartcom II (TM), Smartcom for Windows and Smartcom III all support a command line interface to the modem.

This Reference is not a list of the features supported by your modem, but a general guide to the Hayes Standard AT Command Set as used to control Hayes modems. For a specific list of features supported by your modem, refer to the documentation included with your modem. This reference is supplementary to the documentation provided with your modem, not a replacement.

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