Is Verizon Blocking CallVantage? Or Is CallVantage The Issue?
I sure hope this isn’t true….or that it gets solved FAST! A reader of mine sent me a note about having FIOS installed by Verizon and how it has affected his VoIP service, from AT&T. He’s been a long time user of AT&T’s CallVantage but following the installation of FIOS, it stopped working. It seems … Read more