Get a different brand/model of your modem. Or disable the modem's escape
mechanism. If you're technically inclined, you can also set the "escape"
parameter of pppd to not transmit "+" as a single byte character.
Modems are supposed to respond to the string "<cr>+++" only if its
entered at "typing speed", and only if it appears on the Rx line of the
RS-232 connection to the modem. (It shouldn't respond if the other end
sends the sequence.)
Some, but far from all, modems provide for a way to disable this
"escape" feature. Unfortunately, getting that information out of the
modem manufacturer's customer support is nearly impossible these days.
And I've known escape sequences to change, sometimes substantially,
between revisions of a modem's firmware. USR is the one I've had the
most problems with along these lines - except for their Courier series.
BTW: The "+++" puts your modem into "command mode", and the "ATH0"
causes it to hang up.
--Bruce
Adam Wendt wrote:
>
> I've found that if I type +++<nospacehere>ATH0 (thats ===ath0 with ATH
> being in caps and === being +++ (i'm very paranoid about typing it
> out)) in an email or icq message or irc chat or telnet or anything that is
> using my ppp0 connetion it will automaticly disconnect my modem and I have
> problems getting back online until i reboot. This doesn't seem to be
> directly related to Linux (this happens to one of my friends if he tries
> to email the text but it doesn't happen if he icq's or irc's it) So my
> question is, have I just had to much caffeen and been up to many hours? Or
> am I right to be very paranoid about this? And if so: Is there a solution
> to fix this?
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