Quote
Originally posted by trentonsahara:
There is another POTS line in the house. If I connect both POTS lines, but no VoIP, there is no hum.
This is a bit mysterious. Tell me if I understand it correctly:

1. You have a copper POTS line and a fiber POTS line.
2. When you plug the 2-line phone to both of them there is no hum

Is that right?