After more than 100 years as a circuit-oriented service, voice telephony and facsimile are joining data transmission, email, and Internet services on packet-oriented IP networks. Video is moving there too. Your next telephone system almost certainly with rely on Voice over IP (VoIP) and will include a unified approach to all forms of communication. This book takes readers from traditional voice, fax, video, and data services on separate platforms to unified functionality accessing an IP network and the Internet. Concise and to the point, this text tells you what you need to know to deal with vendors, network engineers, data center gurus, and top management with the confidence and clear understanding of how things really work.
