I turned on the power and everything came back on... including the VOIP modem... showed connected. Later this AM, neighbor came to the house... "Did you know your phone was not working?"... DUH! no. Simple solution. We have GFI's on all kitchen outlets. The only one that tripped was the one to the phone. Didn't even notice.
I made sure that the VOIP vendor I contracted with had a 'fail-over' feature. If someone calls us, and there is no response from our 'box', I have it set to call my cell phone. Not a 100% solution for us, since my cell phone is OFF most of the time, but I make sure to turn my cell on in bad weather, or anytime my internet might be acting up, or even if we are expecting an important call.
Your provider probably has this feature as well, check with them.
And I can't help myself, but it is simply WH, not HWH. You don't need to heat Hot Water!.