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 Burglers are Opportunists! Photo Beam Sensors Have Key Advantages Over Passive Infrared Systems Heard enough stories about frozen and bursting pipes? Want to make sure it doesn’t happen to you? 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.