Re: Question on Remote Data Access

["biff" <mbiegert@xxxxxxxxxxx>]

Bill Kearney wrote:
> > I would like to bounce an option off of you. I could hook a modem up to
> > the RS232 port on my microcontroller. I can write a short program to
> > command the modem to answer the phone.
>
> Or just configure the modem to always answer the phone.  Most will let you
> set this into the flash NVRAM.  Then you'd just be calling it and getting
> connected straight to the serial device.  If you wanted to get fancier, and
> the phone line had Caller ID, you could have your serial device look to see
> what number is calling before answering.
>
> But if the serial device is programmable enough, what about having it call
> you instead?  You could then have a PC on your end do the same thing, see
> what number is calling (perhaps even by time of day) and answer only when it
> knows the cabin's calling.  That and the receiving PC could do all the hard
> work that the programming limitations in the serial box might not support.
> Call the PC and let the PC do all the rest.
>
> -Bill Kearney

I like it!! Both the caller ID and the "phone home" feature would be
great and don't sound tough to implement at all.

I want to thank everyone for the excellent suggestions. This has been a
very useful discussion for me. I am now off to set this up and try it
out.