by KevinWallace (Author)
We use either a telephone or e-mail for much of our day-to-day communication. These two worlds are merging, and companies can place phone calls over their existing data network infrastructures using a technology called voice over IP (VoIP). This title serves as an introduction to the world of VoIP networks.
Format: Paperback
Pages: 336
Edition: 1
Publisher: Cisco Press
Published: 07 Dec 2005
ISBN 10: 1587201569
ISBN 13: 9781587201561