VIO is a Voice over Internet Protocol Intercom Device, or VoIP Intercom device. It is capable of interfacing with Crestron RAVA and many other VoIP/SIP Servers. It is a Power Over Ethernet Plus Device ( POE+ 25.5w). It seamlessly connects to existing local networks with a single Cat5/6 connection and its capable of interfacing with most SIP=Based IP PBX servers that interface with RFC 3261.
+ TCP/IP, UDP, RTP, SIP, DHCP, Multicast capable
+ Firmware Upgradable
+ Onboard 10/100 Ethernet Device Input for IP camera
+ Relay 1 availability 12v 700mA (for strike)
+ Relay 2 Dry Contact Closure
+ 8ohm 0.5w Speaker output
+ Electret Microphone Input
+ 802.3at High Power POE+ 25w
+ 3 Programmable GPIOs
+ Localized Accessory Power 12v 400mA Max
+ Hydrophobic Nano Coating [Water/Corrosion Resistant]
+ 4.625” x 2.75” x 1.75” (h w d)


+ Asterisk
+ 3Cx
+ Control 4  (Driver by Houselogix –  Released for BETA TEST July 2015)
+ Crestron
+ Cisco
+ Elan  Release 7.2 (August 2015)
+ Savant – Release 5.2.3 (January 2014)


VIO is a firmware upgradeable device capable of operating on the Crestron Rava Voice over IP network. It integrates seamlessly out of the box to connect to Crestron networks with new Crestron IP touch screens. Developed by Holovision in partnership with Crestron, the VIO Rava Edition, is the Cadillac solution for integrating IP intercom solutions. One wire and one button, the device can be operated within minutes of installation with virtually no configuration. Along with state of the art nano coatings, VIO Rava Edition is the premier solution.