E-mail this definition to a colleague
A Starter Kit on VoIP
Confused about whether Voice over IP is the way for your business to go? You're not the only one. The technology has been gaining steam in the tech press during the past year, while federal lawmakers and regulators wrangle over who will have the regulatory upper hand.
Enterprise VoIP Planet
The IT Manager's Guide to Voice over IP
Understanding H.323.Part I: History and Architecture
There are two significant VoIP architectures implemented today: H.323, developed by the International Telecommunications Union.Telecommunications Standard Sector (ITU-T), and the Session Initiation Protocol (SIP), developed by the Internet Engineering Task Force (IETF).