Voice Over Ip (Internet Protocol)

This book covers all aspects of telephony over IP networks, known as Voice over IP. VoIP hit the headlines during the 1990s amid claims concerning its impact up... » 

This book covers all aspects of telephony over IP networks, known as Voice over IP. VoIP hit the headlines during the 1990s amid claims concerning its impact upon existing Switched Circuit telephony services. This is a useful book for those with a technical or business interest in this area. «