Terminology

VoIP (Voice over IP)

SIP (Session Initiation Protocols)

AEC (acoustic echo cancellation)

VAD (voice activation detection)

Secure Communication techniques and encryption

Video and MPEG

Codecs

Jitter

Techniques dealing with packet loss (voice data)

There are numerous online resources you can take advantage of

• The Video and VoIP Demo in C++ provides code samples to work from so that you will not have to struggle with all of low level details
• https://en.wikipedia.org/wiki/Motion_JPEG
• https://www.voip-info.org/qos/
• http://mjpeg.sourceforge.net/files/mjpeg-howto.pdf
• https://netbeez.net/blog/impact-of-packet-loss-jitter-and-latencyon-voip/
• https://voipstudio.com/voip-how-much-jitter-is-acceptable/