VideoPortero

Referencias

http://imajji.net/topic/page/portero-ipsip-raspberry-pi--asterisk

https://github.com/mpodroid/door-berry

http://www.eyeonpi.com/en/video-door-phone-via-eyeonpi-on-rpi/

https://community.home-assistant.io/t/raspberry-pi-based-mqtt-video-doorbell/1012