A:Answer Certified XFINITY Internet & Voice Service Compatibility
CM1150V is certified to work flawlessly with Xfinity by Comcast.*
Two integrated telephone lines support 3-way conference calling, caller ID, call forwarding, and more enhanced calling features. Automatically prioritizes voice over Internet to ensure call clarity.
*Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirectTV, DISH and non-Xfinity bundled voice services.