For anyone who lands in this thread after searching for answers, if turning everything off and on again doesn't work, you need to call tech support and the rep will fix your phone line configuration remotely.
I just swapped my HH3000 for a newer HH4000 this morning and am experiencing the exact same problem. Used the virtual repair twice, rebooted the modem three times, nothing works. I use a cordless Panasonic phone that works fine with the HH3000. Tr...