CVOICE Lesson 10: Configuring PSTN Failover, Downloadable Version

By Kevin Wallace
Published Feb 17, 2012 by Pearson IT Certification.

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Copyright 2012
Edition: 1st

Downloadable Video
ISBN-10: 0-13-306913-3
ISBN-13: 978-0-13-306913-6

Using an IP WAN to send phone calls between sites can reduce or eliminate toll charges. Fortunately, as seen in this video, the PSTN can be used as a backup in the event of an IP WAN failure.

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