VoIP codecs are the foundation of business communications. G.711, G.729, Opus, H.264/H.265, and MPEG are some key VoIP Codecs transforming RTC.| Ecosmob Technologies
ARPANET, experimental computer network that was the forerunner of the Internet. The Advanced Research Projects Agency (ARPA), an arm of the U.S. Defense Department, funded its development in the late 1960s. Its initial purpose was to link computers at Pentagon-funded research institutions over telephone lines.| Encyclopedia Britannica