What is Voice over Internet Protocol (VoIP)? Is a family of transmission technologies for delivery of voice communications over IP networks such as the Internet or other packet-switched networks.

How to Protect Your Asterisk PBX from Lightning Strikes - Part I

Lightning can strike your VoIP telephony equipment and cause downtime and damage. Learn how to prevent such disasters in this informative, two-part lecture given by Leonid Fainshtein, CTO at Xorcom.

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