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Could I have some how accidentally blocked all incoming calls? Since like I said before that when someone tries to call me. They get your call not be completed at this time message. Even though I can make outbound calls.
Have you upgraded your telephone modem since Cox transitioned to VoIP?
So I got to go and get a new modem again? I just got a new one back in Jan of 2019. So no one can call me right now till I do. But I can call others.
No. If you upgraded in 2019, you're good to go.