Topic Last Modified: 2012-09-21

If you want to provide branch-site resiliency, that is, high-availability Enterprise Voice service, you have three options for doing so:

This guide will help you evaluate which resiliency solution is best for your organization and, based on your resiliency solution, which PSTN-connectivity solution to use. It will also help you prepare to deploy the solution that you choose by describing prerequisites and other planning considerations.

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