VoIP - Also called Internet Telephony; VoIP uses the Internet to make cheap reliable telephone calls, saving costs while getting more features, what is voip.
A Basic SIP session initiation protocol tutorial for VoIP users and descriptions of SIP response codes, SIP errors and signalling.
Dec 21, 2015 ... If you're looking for a quick guide to get started with the latest in communication systems, here's a business VoIP tutorial to get you up to speed.
A summary, overview or tutorial about Voice over IP, VoIP technology.
Communication Technologies VoIP - Learn Communication Technologies in simple and easy steps starting from basic ... Communication Technologies Tutorial.
Feb 6, 2006 ... Describes voip technology, what it is, how it works, requirements for voip, digitization of voice data, voice transmission over IP.
IP Telephony and VoIP Tutorial. Learn about the differences between IP Telephony vs VoIP.
A look at VoIP for beginners. For those who have never heard about the potential of VoIP, be prepared to radically change the way you think about your current ...