AITech (Booth 920), a provider of wholesale and retail IP voice solutions and a full-service managed services provider, added three solutions to its SIP trunking certification program: Fonality’s PBXtra, Trixbox Pro and Interactive Intelligence’s Vonexus IP PBX systems. The Fonality PBXtra is a hybrid IP PBX that, along with VoIP, supports legacy and analog switching protocols ... (174 words)

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