Business Telephone Systems Service & Support. New Telephone System, Hosted Telephone System, Hosted PBX, Hosted VoIP, Peer to Peer VoIP Phones, Wiring, Telephone System Moves, Carrier Vendor Support. Voice Vendor, Carrier Coonsultant. Telecom Management. Â Existing System Support: NEC, Nortel, Avaya, Comdial, Vodavi.