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3CX Online Advanced Training: NAT and Port Forwarding

In this video, we will discuss port forwarding, why it is needed, and how to use the Firewall Checker to confirm that your WAN-to-LAN device is correctly configured.

Skills Covered

  • Port Forwarding – When and Why
  • Which ports to forward for 3CX Phone System
  • Example Router Configuration
  • Issues caused by incorrect Port Forwarding configuration
  • How the Firewall Checker can help
  • Example Failure Reports from the Firewall Checker

Review the full course of 3CX Phone System Training Videos at

Additional Reading

Watch the previous video in this course Least Cost Routing | Watch the next video in this course 3CX Tunnel Protocol

By |January 11th, 2013|Comments Off on 3CX Online Advanced Training: NAT and Port Forwarding

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