Quote Originally Posted by VOIPoTim View Post
DMZ is pretty standard. At the end of the day some modem/routers combos just don't work well with our service.

These days routers are more important than the quality of the internet connection in determining how well VoIP will work since so many try to handle the traffic.
True, it seems like we are moving that way. The only thing I could think of is that that modem/router combo is discontinued. Maybe they could request something newer.