Voip Services

VoIP or Voice Over Internet Protocol is an emerging telecommunication technology that make use of IP network to carry voice just like PSTN (Public Switched Telephone Network) or traditional phones. There are several companies offering low cost and more flexible phones and packages of VoIP systems. Future belongs to VoIP because of its low cost and flexibility and more control.This innovative technology will change the life of people because the dream of video phone is just behind its bars. This book covers the basic architecture, usefulness, challenges and features of the VoIP Phones systems.

This book constitutes the refereed proceedings of the 12th IFIP/IEEE International Conference on Management of Multimedia and Mobile Networks and Services, MMNS 2009, held in Venice, Italy, in October 2009, as part of the 5th International Week on Management of Networks and Services, Manweek 2009. The 13 revised full papers presented together with 5 poster papers were carefully reviewed and selected from 37 submissions. The papers are organized in topical sections on multimedia networks and systems management, multimedia quality, VoIP and vocal applications, and peer-to-peer multimedia networks.