In Wiltshire, United Kingdom, in 2003, a pilot plan for what is now called "Conversing CCTV" was place into action, allowing operators of CCTV cameras to communicate throughout the camera via a speaker when it is needed. Standard weatherproofing for outdoor person, but normally demands external housings for harsher environments https://cruzjjizw.anchor-blog.com/14403442/getting-my-closed-circuit-camera-systems-to-work