VOIP+and+Video+Conferencing

V.oice O.ver I.nternet P.rotocol

Voip is both the generic name for any software that allows for audio and/or video transmission in real-time, AND a software for doing the same that can be hosted on a users computer/server. It includes many varying technologies, including voice enabled Instant Messengers.

VOIP (requires hosting servers)
VOIP - excellent one to one protocol []

TeamSpeak - multiple user voip []

Instant Messengers
Yahoo Messenger []

Google Chat (w/ Google Talk Plug-in for Voice) []

MSN (Windows Live Messenger) []

AOL's Instant Messenger (AIM) []

Video Conferencing
Skype - includes land line and cellphone accessibility and will soon have 5 way conferencing enabled. []

Google Hangouts []

FaceFlow Four person video chat conferencing with text back channel. []

Elluminate - is being used as a web conferencing and social networking tool by many educational institutions to create virtual classrooms. []