"V Green" <vanceg@nowhere.net> wrote in news:OQD6ej4CJHA.1228
@TK2MSFTNGP02.phx.gbl:

> FWIW, I use a USB-SER cable to use my
> Kyocera cellphone as an AT-compatible modem,
> not quite the same, but a similar situation.
>
> If the connection barfs, I also have to restart the system
> to clear the "port is already open" stuff. Even unplugging
> and reconnecting the USB-SER cable won't do it. So, it's a
> problem likely not specific to your setup, but more of
> a flaw within the driver for the USB adapter cable.
>
> You might try this (just occurred to me and I haven't):
>
> Next time it happens, disable then enable the USB-SER
> hdwe. from Device Manager.

The problem is that I need some kind of automated solution to the problem,
so that I can keep my connection active as much as possible. I thought
that, if nothing else, I could make some kind of script that would
periodically check for successful pings to various servers, and if all
pings failed, then the modem has hung, and the system can be automatically
rebooted. The problem with this idea is that the system sometimes get hung
so bad that I can't do a soft reboot. And if I can't do a soft reboot, then
I can't automate the process.