Modem Commands

Networking/Security Forums -> Connectivity // Telecommunications // Internet News

Author: EricTheBald PostPosted: Sun Feb 23, 2003 8:36 pm    Post subject: Modem Commands
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Is there a reference book (probably more of a pamphlet) that lists all the modem commands for all modems?

Author: flwLocation: U.S.A. PostPosted: Sun Feb 23, 2003 8:46 pm    Post subject:
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The following from http://www.xtra.co.nz/help/0,,6226-954508,00.html see this link for more info. including modem specific commands.

General modem commands

Your modem manual should contain a list of all of the commands that your modem understands. These commands are also called Initialisation Strings. Check with your computer vendor for more advice on modem initialisation strings.

The following commands can be entered in capitals or in lowercase. More than one command can be combined to form a modem string (e.g. AT&F1M0X3).
AT&F - Resets the modem to the default factory settings.
AT&F1 -Resets the modem to the secondary default factory settings.
L0 - Sets the modem speaker to the lowest volume.
L1 - Sets the modem speaker to a low volume.
L2 - Sets the modem speaker to a high volume.
L3 - Sets the modem speaker to the highest volume.
M0 - Turns the modem speaker off completely.
M1 - Turns the modem speaker on.
S11=x where "x" = 50 to 255 - Sets the dialing speed of the modem (lower is faster).
W2 - Allows Windows to report your true connection speed.
X2 - The modem will check for a dial tone before it starts dialing.
X3 - The modem will not check for a dial tone before it starts dialing.
Generally speaking the modem should respond to the command you've typed in on the next time you dial in using your Xtra connection. With some modems you'll need to restart your computer for the change to take affect.

If a modem does not support a given command it will report an error. In Windows this will result in an error: 630 - "The modem is not responding." If this occurs remove the command, restart the computer and power cycle the modem if it is an external modem.

Author: EricTheBald PostPosted: Sun Feb 23, 2003 8:48 pm    Post subject:
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Thank you for that, but I'm kind of looking for a comprehensive listing, broken down by vendor.

Author: flwLocation: U.S.A. PostPosted: Sun Feb 23, 2003 8:49 pm    Post subject:
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If you go to the link I provided you'll see a link for vendor specific commands.

Author: EricTheBald PostPosted: Sun Feb 23, 2003 8:58 pm    Post subject:
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Ahhhhh, I see....

I did not look carefully the first time I went to that link. Sorry about that.

And thank you very much.

One last question though...

Are you aware of a printed pamphlet version of that?

The sort of thing I can stick in my back pocket?

Author: flwLocation: U.S.A. PostPosted: Sun Feb 23, 2003 11:37 pm    Post subject:
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Printed version, I cannot think of one. But you can copy and paste the info into a word processor. Reformat from there.



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