O’Reilly Media book: Packet Guide to Voice over IP

Packet Guide to Voice over IP: Go under the hood of an operating Voice over IP network, and build your knowledge of the protocols and architectures used by this Internet telephony technology. With this concise guide, you’ll learn about services involved in VoIP and get a first-hand view of network data packets from the time… Continue reading O’Reilly Media book: Packet Guide to Voice over IP