IP Telephony: Reliability You Can Count On

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Source: ShoreTel

Date: October 2010

Type: White Paper

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Overview: Constant phone service availability is crucial to today's businesses. Makers of traditional voice switches have developed systems that are available at least 99.999% of the time. Concerns that voice over IP (VoIP) may not offer this "five nine" availability has been one of the major impediments to convergence, but this should not be the case. The ideal IP telephony system is resilient and has no single point of failure.

This white paper compares three different architectural approaches to implementing Voice over IP that aim - some more successfully than others - to deliver 99.999% availability.

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