We use the Barix 100s...haven't had a problem for years. We are extremely happy with Barix! On Jun 26, 2012, at 5:00 PM, "Jimmy Dillard" <jdillard at windstream.net> wrote: > We are using both Barix 100, 500 > and 1000. They are *adequate* however our Comrex bric system is everything > we could hope for over the public internet.