A router is a networking device used to connect your computer or other equipment to an internet service provider (ISP). If you have home internet service, you have a router. How the router will work with your VoIP phone depends on the model (and on how old it is). Many consumer routers allow you to simply plug in a VoIP phone to use it; a few need to be configured to work with a VoIP phone.
When you take your phone off the CenturyLink-provided network, CenturyLink service level agreements, quality of service (QoS), and the ability to connect to the hosted VoIP platform are not supported. Troubleshooting is limited to providing phone and router/firewall settings.
To configure your router to work with your VoIP phone:
First, see if your router allows plug-and-play setup of a VoIP phone. If not, follow these troubleshooting tips:
Public IPSBC addresses (IPv4):
Open these ports for SIP from all CenturyLink session border controllers (SBCs):
Open these RTP ports for all CenturyLink SBCs only:
The IP address of the CenturyLink session border controller (SBC) varies and can be provided by the CenturyLink provisioner working the order.
If a firewall feature is configured in the router, it must allow the following traffic to pass between all Hosted VoIP phones and the CenturyLink SBC (in both directions):