Dave wrote:
>
> Isn't it the case that modems are supposed to wait for a pause with no > data
>transmission for a second or two after receiving the "+ + +" and > before looking for
>the "A T H 0" (no quotes, no spaces)? I believe
> some modems do not wait for this pause, and interpret the hangup > > > > command
>immediately. I'm not sure if there is a S-register which
> controls this pause.
There _is_ an S-register, and I strongly suggest using it to turn off
this "feature," unless you spend a lot of time using something such as a
terminal emulator where you might need to go into command mode to do
something. Your modem is hung up in PPP by dropping DTE, anyway, so
it's not really needed. Also, I can say from my own experience that it
is indeed true that incoming packets containing "+ + +" will force your
modem into command mode. I received an e-mail that had been uuencoded,
and that particular string was contained therein. Once I set the
S-register (ATS2=128 is the AT command that does it) to turn off any
command mode intervention, I was able to receive the e-mail with no more
problems. Probably the best way to do this would be to simply put
"ATS2=128" (might be a different register for a Motorola or other type
of command set modem) in your PPP init string.
> Dave
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
> Sent: Saturday, October 23, 1999 3:06 PM
> To: [EMAIL PROTECTED]
> Subject: Hangup string in e-mail message?
>
> If sending "+ + + A T H 0" in an e-mail message (without quotes and spaces)
> hangs up the modem (or does it?), what about receiving? Suppose somebody sends
> you such a message from a LAN connection? Such a sequence could occur in a
> base64-encoded message as well as a plain-text file. Suppose such a string
> occurs in a file being uploaded or downloaded by FTP, or on a Web page?
>
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