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Making Connections
Using the Modem
To change your modem settings
The modem is already set up to be compatible with telephone systems and modems in
most areas. However, in some situations, you may have to change modem settings to
match local conditions. If you have questions about local requirements, contact your
telephone company.
• Control Panel. Open Modems (Windows 95 or 98) or Phone And Modem Options
Windows 2000) in Control Panel to change many modem settings.
For Windows 95 or 98, on the General tab click Properties to set connection speeds or
special dialing options.
For Windows 2000, on the Modems tab click Properties to set connection speeds, or
on the Dialing Rules tab click Edit to set dialing options.
• Communications software. Many communications applications provide options for
controlling modem settings. See the help for your software.
• AT commands. You can control many aspects of modem operation using modem AT
commands. AT commands are special strings of characters sent to the modem to set
up specific conditions. Those command strings normally start with "AT". For a list of
AT commands for the built-in modem, see "Modem Reference Information" on
page 185.
For Windows 95 or 98, open Modems in Control Panel. On the General tab, click
Properties, then on the Connections tab click Advanced. You can type AT commands
in the space for extra settings.
For Windows 2000, open Phone And Modem Options in Control Panel. On the
Modems tab, click Properties. You can type AT commands on the Advanced tab in
the space for extra settings.
For example, to force a built-in Ambit modem to connect with the V.34 modulation, you
can use the +MS command as shown in table of AT commands—type AT+MS=11 in the
space for extra settings.
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Troubleshooting
