VoIP Service Quality by William C. Hardy provides a comprehensive introduction to the challenges and techniques involved in delivering high-quality Voice over Internet Protocol (VoIP) services. The book focuses on the transition from traditional circuit-switched telephony to packet-based communication networks and the impact this shift has on voice quality. It begins by explaining the fundamentals of VoIP technology, including packetization, codecs, signaling protocols, and network architecture. The author then examines key quality factors such as latency, jitter, packet loss, and echo, describing how each affects user perception of voice communication. Methods for measuring and evaluating voice quality—such as Mean Opinion Score (MOS) and other performance metrics—are also discussed. A major part of the book is dedicated to practical solutions for maintaining and improving service quality. Hardy explores traffic management techniques, Quality of Service (QoS) mechanisms, network design considerations, and troubleshooting strategies that help ensure reliable voice transmission over IP networks. Real-world examples and case studies illustrate how service providers can optimize performance in diverse network environments. Overall, the book is a valuable resource for engineers, network administrators, and telecommunications professionals seeking to understand and manage VoIP service quality effectively.

Chỉ số ISBN:	0071410767
Mã ngôn ngữ:	eng
Chỉ số phân loại:	004.6
Tác giả:	Hardy, William C
Thông tin nhan đề:	VoIP Service Quality
Xuẩt bản,phát hành:	US. McGraw Hill 2003
Mô tả vật lý:	317p.
Từ khóa:	Điện thoại. Internet. Network performance. Quality of Service. Truyền thông

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