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No Dial Tone - Digital Voice

We had FIOS installed about 1 m ago, including digital voice.

Everything worked fine until yesterday when we had no dial tone. 

The POTS light is green on the box in the basement. When I plug a phone directly into the box I get a dial tone.

I've unplugged all phones in the house, but still get no dial done when I plug a phone in.

Can't get through to Verizon support either by phone or online.

I would "reboot" the system but don't know how to disconnect the battery backup.

Any suggestions?

Re: No Dial Tone - Digital Voice - Problem Solved

Problem Solved.

I got through to tech support via Live Chat, which was working today.

The tech was very helpful, had me check a few things. Then resent the signal to us. Everything went dead, flashing lights everywhere. The system rebooted and we are OK now.