February 22, 2013 HomeIntercom SystemsOptex iVision Intercoms are back in Stock! Optex iVision Intercoms are back in Stock! By Nathan McBride Intercom Systems, Miscellaneous 0 Comments Optex iVision Intercoms are back in stock. Check them out here – http://www.absoluteautomation.com/optex-ivision-wireless-video-intercom/ – Related Posts Water Leak Sensors and Shut Offs for Hotels, Inns and Resorts Looking for a hard wired motion or beam sensor system? It’s Spring! Which means it’s basement flooding season! About Author nmcbride I have been in the alarm and control industry for the past 8 years. I am especially interested in the utilization of existing WiFi networks for alarm notification and control applications.