Why Do You Need A Video Intercom? TOP 5 Reasons | Detailed Video So, a video intercom. The Door Phone, that is the camera itself for a video calls with microphone and the speaker for 2-way audio communication, and the button for initiating the call itself. It’s on the outside. Inside we’ve got the indoor … Continue reading Why Do You Need A Video Intercom? TOP 5 Reasons | Detailed Video