WebRTC

SDP

SRTP

STUN

STURN

ICE

RTCPeerConnection

https://webrtc.github.io/samples/

https://github.com/muaz-khan/WebRTC-Experiment

https://github.com/webrtc/samples

https://habr.com/ru/companies/Voximplant/articles/417869/

https://mapstr.ru/web-prilozheniya-s-webrtc-tehnologiya-webrtc-audio--i-videochat-v-brauzere-webrtc.html

https://github.com/enobufs/stun/tree/master/lib

https://xakep.ru/2014/10/27/web-rtc/

https://scsiberia.ru/browsers/webrtc-videokonferencii-v-brauzere-chto-takoe-webrtc-i-chem-on-opasen-kak/

https://voxlink.ru/kb/asterisk-configuration/tehnologiya-webrtc-dlya-razrabotki-voip-web-prilojenii/