APTOS, Calif.--(BUSINESS WIRE)--Engage Communication, a leading provider of specialized solutions that connect, protect and secure communication networks, delivers the IP•Tube VF. The IP•Tube VF is a Voice Frequency full duplex 4 Wire Analog Circuit to Packet Converter used by State and Local Public Safety organizations to preserve their investment in analog Land Mobile Radio (LMR) infrastructure and field radios; and eliminate expensive leased analog backhaul circuits. Land Mobile Radio (LMR)