What Does Real-Time Communications (RTC) Mean?

Real-time communications (RTC) is a term used to refer to any live telecommunications that occur without transmission delays. RTC is nearly instant with minimal latency. RTC data and messages are not stored between transmission and reception. RTC is generally a peer-to-peer, rather than broadcasting or multicasting, transmission.

Techopedia Explains Real-Time Communications (RTC)

RTC data transmission modes are as follows: