Introduction
The use of Voice over IP (VoIP) is rapidly expanding. You can find all sorts of glowing statistics about the adoption of VoIP by businesses and consumers. Traditional telecommunications companies are phasing in IP voice in parts of their backbone. Service providers are lowering the cost to businesses of implementing VoIP by offering hosted and managed solutions. Organizations both large and small are embracing VoIP.
Voice gateways are an essential part of VoIP networks. Gatekeepers and IP-to-IP gateways help these networks scale. Yet no definitive reference is available on these subjects. A network engineer who needs to design a VoIP network or configure these devices has to search to find the necessary information. This book strives ...
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