Originally Posted by SpaceBass
You didn't ask, but I'm going to mention Trixbox. Trixbox is a all-in-one linux distribution which installs an Asterisk VoIP PBX on any intel-based hardware. I mention it b/c if you are paying a lot for phone service, or need an inexpensive PBX then its amazing. You can move to VoIP based services which are a fraction of the cost of traditional telcos and the PBX features are pretty out of this world too.
Good luck and keep us posted, I'm anxious to hear how this turns out.
Thanks for all the suggestions.
We don't yet have physical office space, so the cost of phone service is not yet a concern. But it likely may be in the future...