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Cant make phone calls
I had ATT installed in my office 2 months ago. I have U verse TV, internet, and phone line.
Since yesterday we started having this problem with phone line.
It has a dial tone. Once I enter a phone #, it has a pulsating tone, that then turns into a busy tone and then hangs up. Hence I can't make phone calls. I can still receive phone calls though.
I called ATT.Customer service suggested
1. Unplug and then plug back in the phone wire in the modem
2. Unplug the modem to turn off, restart in 10 seconds.
3. Check the cordless phone, (same issue)
They told me that possibly the modem has a problem and they can send me a new modem. I am not convinced if that is the problem.