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Learn how to use VoIP service over a non-Lumen ISP, known as an alternate carrier or over the top.

A firewall controls the incoming and outgoing network traffic based on an applied rule set and establishes a barrier between a trusted, secure LAN and/or WAN network(s) and the internet (not secure, nor trusted). Use these steps to configure your firewall to allow Lumen VoIP traffic.

If you've purchased VoIP phones from another vendor, learn how to configure them to work with your VoIP service.

Learn how to prepare for Lumen to install your VoIP service, including local and technical contacts and porting phone numbers.

From your router to your switch, learn the how to configure your network for VoIP service.

Explore different options for how to connect your VoIP phones and computers as you set up your new VoIP service.