Lumen help
After we install your VoIP service, learn how to set up your VoIP equipment—whether you're working in or out of the office. Get step-by-step instructions for using your Poly, Cisco, or Grandstream phones. Learn how to use analog termination adapters (ATAs), and how to connect analog equipment to your VoIP service. We've got step-by-step instructions and videos to help you get the most out of your VoIP phones.