posted on Sep, 18 2013 @ 11:59 PM
Some things are added to the "Signal" to enhance the user experience, I don't know about land lines but I worked Cellular and that takes place on the
Also, cell phones can sound much better than they do, they purposely degrade the quality of the voice signal because its partially a bandwidth thing
and its what people "expect".
So in cellular that ring is on the switch and its for User "experience"
I would imagine the same for land line.
edit on 18-9-2013 by benrl because: (no reason given)