KX-T: U-verse, residential telephone service

[Don Ritchie]

Talked to an AT&T engineer the other day and
he said something that kind of surprised me.
He said that there are "only" TWO voice switches
for the entire network,
This is the U-verse, residential telephone service.


The TWO "switches" are outside of Dallas and Philadelphia.
The way I understand it, an incoming call is switched,
from your local CO to the PSTN peer point, and back
to your prem - Via The AT&T separate U-verse VOICE backbone.
In the case of an outgoing call - Via The AT&T separate U-verse
VOICE backbone to the PSTN peer point.
So it may NOT actually be a "switch" as some of us may think of it.
He is not sure if the link from the local CO TO the peer point
is via the PSTN, but I guess it could go either way.

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