Bode writes "or the technologies require multiple copper pair that may not be available."
With the massive substitution of wireless for POTS (as of Dec 2013, 41% of households are now wireless only, according to
the latest CDC report), you would think enough spare pairs have been freed up to allow for such bonding technologies to be a viable alternative.
During the 70s and 80s, there was massive push by telcos to sell everyone a second line (they called it a "teen line") so teens could tie up one line while leaving the "family" line open for other calls. This meant running at least two pair (but more often at least four pairs) to every residential location.
So where is all the spare copper?
