WebRTC
networkingWeb Real-Time Communication — an open standard that enables real-time audio, video, and data sharing directly between browsers without plugins.
Pronunciation
Correct
web-R-T-C
/wɛbɑːrtiːsiː/
The 'Web' part is pronounced as the word 'web', and 'RTC' is spelled out as individual letters: R-T-C. The W3C and Google documentation use this convention.
Source: www.w3.org(official spec)