New phone systems (like the one we have installed in the McKinney office) are digital. You can plug a compatible telephone station into the system's telephone jack on your wall and it will work, but you couldn't plug an analog device (e.g., modem, standard fax machine, standard home phone) into that same wall jack and expect it to work.
What Steve is referring to is that schools, libraries and other sites used for polling locations are getting rid of their analog phone systems and installing digital based phone systems. They apparently are also replacing their stand analog fax machines with a fax machine that is compatible to their digital phone system. (I've never heard of a digital fax but it highly likely they exist.)
Now the counties are inquiring as to the AccuVote's compatibility with their digital phone systems.
As the AccuVote only has an analog modem, the only suggestion I can make at this point is that they purchase an external modem that is compatible with their digital phone system and redirect communications out the main serial port connector on the back of the AccuVote. From a hardware stand point it's possible, but I don't know if the AccuVote firmware would properly communicate with the external digital modem. That's a question for Guy or Ken.
Does the manufacturer of the digital phone system offer an external modem that is compatible with their system?
Perhaps they can spec one off-the-shelf.
Need more input. Non-sequitor.