Phasing out of telco TDM Backbones (was: Phasing out of copper)

Nathan Anderson nathana at
Sun Nov 30 05:37:05 UTC 2014

On Saturday, November 29, 2014 9:10 PM, Jay Ashworth <> wrote:

> But let us not conflate being ok with telcos replacing analog copper
> last-mile with being ok with telcos replacing PCM with VoIP, especially
> in trunking applications, ... [snip]

Let's also not conflate audio codecs with L2.  "PCM" and "VoIP" are not mutually-exclusive things by any stretch.

Nathan Anderson
First Step Internet, LLC
nathana at

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