[Asterisk-Users] Comdial PBX -- can use Asterisk as VM box?

[Ken D'Ambrosio]

Hi!  I've got a Comdial PBX that I would dearly love to replace with an
Asterisk box.  However, for various reasons, it appears not to be in the
cards.  Regardless of what management does, or does not, want, our
current VM solution -- some Dialogic card with a "KeyVoice" application
-- is dying.  I'm 90% sure it's hardware.  I'd rather shoot myself than
replace the hardware.  Is there any way to get Asterisk to respond to
whatever mechanism it is that the Comdial puts out to the Dialogic?
Things I've already tried and discarded:

DID: the PBX strips off the DID stuff before it gets to the Asterisk box
Caller ID: ibid.

So, I'm guessing that there's some, for lack of a better word, protocol
that must be standardized to some extent, that allows things like the
Comdial PBX to talk to someone else's VM solution.  Can Asterisk play ball?

Thanks!

-Ken