Many types of Arris cable modems can be setup to provide you with two separate telephone lines of service. Based on your model, however, your modem or telephone may not operate correctly if you try to use both of the modem’s telephone line ports. Even if you use just a single line, phone and Internet service bundles can help you eliminate your current phone bill and save you more money in the long run. Tips Warnings Writer Bio

How to Connect an Arris Cable Modem to a Phone Line - 6