I rewired and discovered the prob. The phone line was completely shorted (both wires firmly in contact with each other), so I have no idea why the DSL was still working.
Anyway, prob. solved.
I have this problem, DSL working fine but no dial tone, except that when anyone tries to call my telephone they get a busy signal. I live in an apartment building in NYC so finding the "box" outside isn't an option - everything's underground. Verizon insists the problem is with my wiring in the...