Covad Communications Company, a leading national provider of voice and data communications, today announced it has certified IP PBXs from TalkSwitch, Grandstream, Vertical and Epygi for its new Covad Integrated Access service. IP PBXs certified by Covad include: TalkSwitch IP PBX equipped for VoIP (models 244/248vs, 284/288vs, 484/488vs and 844/848vs) Grandstream GXE502X ALL-IN-ONE IPPBX Vertical [...]
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