Ptacek wrote to [EMAIL PROTECTED] and [EMAIL PROTECTED]:
> Hi, I am currently writing a program that will use an attached
> modem to dial and connect to a remote site to gather data. I
> have been able to dial, connect, send data back and forth, but
> I just can't seem to get the modem to hangup. I probably have
> to bring the DTR low (+++ATH<CR> doesn't work). How
> do I do this? Also how can I detect if the modem is in
> command mode, for example if the line gets unplugged and I
> get a NO CARRIER back how do I know to read that as a
> command instead of data?
>
> Thanks,
> Chris
Hayes-compatible modems require a 1 or 2 second delay in between the +++
escape and the command. Sleep for 2 seconds before issuing any commands.
The "NO CARRIER" is a message intended mainly for the terminal user to
see. You should never attempt to parse messages like that. Instead, you
should detect carrier in the hardware.
--
Ryan Thompson <[EMAIL PROTECTED]>
Systems Administrator, Accounts
Phone: +1 (306) 664-1161
SaskNow Technologies http://www.sasknow.com
#106-380 3120 8th St E Saskatoon, SK S7H 0W2
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