Used to happen ALL THE TIME. there are thousands of calls going through the line and some times calls could combine with very similar waves traveling the wire. Usaully leading to one party being able to hear the other while the other party might not even know somebody else is able to here. THAT is the SCARY part. similar with cellular waves the other party call was close to the same wave as yours. We used to just say that the “lines got crossed”
Used to happen ALL THE TIME. there are thousands of calls going through the line and some times calls could combine with very similar waves traveling the wire. Usaully leading to one party being able to hear the other while the other party might not even know somebody else is able to here. THAT is the SCARY part. similar with cellular waves the other party call was close to the same wave as yours. We used to just say that the “lines got crossed”