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Authorized Self-Study Guide Cisco Voice over IP (CVoice) by Kevin Wallace

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VoIP Network Architectures

One benefit of VoIP technology is that it allows networks to be built using either a centralized or a distributed architecture. Corporate business requirements dictate the architecture and functionality that is required. This section discusses centralized and distributed architectures and the gateway requirements to support these architectures in enterprise and service provider environments.

Support for protocols, signaling capabilities, voice features, and voice applications is changing and growing quickly. You must have a good understanding of voice network architectures to know which business requirements each architecture addresses. Also, gateways play an important role in providing access to the right mix of functionality. ...

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