VoIP, this book focuses on two areas: quality and performance issues in deploying VoIP over various network settings, and the new mechanisms and protocols in these emerging networks to assist the deployment of VoIP. This book is an invaluable resource for professional network engineers, designers, managers, researchers, decision makers and project managers overseeing VoIP implementations. Market analysts, consultants, and those studying advanced undergraduate and graduate courses on data, voice and multimedia communications will also find this book insightful. VoIP; Wireless, P2P and New Enterprise Voice over IP: * Discusses the basics of VoIP, VoIP codecs and VoIP protocols including SIP and H.323. * Details new technologies such as P2P technology, VoWiFi, WiMax, and 3G networks. * Explains the QoS issues arising from deploying VoIP using the new technologies. * Solves the performance issues that emerge when VoIP is deployed over different network technologies.