On Thu, 31 Aug 2017 16:05:10 -0500, Mark Lloyd
wrote:

On 08/30/2017 01:42 PM, Ralph Mowery wrote:

[snip]

It probably stopped because the phone service went from analog to all
digital. Similar to what the TV stations did a few years back.

Terrestrial broadcast. IIRC some cable systems still have analog. Mine
stopped last year.
I think virtually all North American cable suppliers have gone to the
encoded digital model - any also providing ultra high speed internet
over the cable HAD to -Just the way the system works.