I went to our local Xfinity store to return my rented cable modem and complained to the manager about this issue was taking so long to resolve (around 3 weeks). He setup a call to have a technician come out. They came the next day and were able to get my phone working. They replaced all my cable splitters, put a filter on the line, and reactivated the modem. This time it worked. I don't believe replacing the splitters fixed the problem. I don't know if a technician that comes to the house has a special way of reactivating the modem or it just takes 20+ times to reactivate it. It should have activated the first time. But I am happy now that everything is working! 😀
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