Overview of Internet Telephony

Developed by: International Engineering Consortium
Type of resource: pdf
Target audience: General
Cost: Free access

This tutorial, offered by the International Engineering Consortium, offers clearly written information on the history, standards, infrastructure, barriers and future of internet telephony. It also includes detailed graphics, a glossary and a quiz. You have to go through an extensive registration process to receive this free tutorial.

http://www.iec.org/online/tutorials/acrobat/int_te
le.pdf