On Tue, 18 May 2010 14:12:39 -0700, Darren New wrote:

> Jim Henderson wrote:
>> On Tue, 18 May 2010 14:03:20 -0700, Darren New wrote:
>> 
>>> I'm not even sure if VOIP and cable telephone counts as part of the
>>> PSTN.
>> 
>> I think it probably does, as I understand a not insignificant portion
>> of the PSTN is VOIP-based these days.
> 
> Well, again, I'm just talking about the client endpoints. I.e., those
> bits that have phone numbers as such. I know a lot of voice traffic
> between switches is carried on VOIP at this point.

True; it would be interesting, for example, to know if my work number 
counts as part of the PTSN; all of us in the office have VOIP phones 
(mine is remote to the office switch most of the time) - from the trunk's 
perspective, though, I don't think it knows one way or the other.

Jim

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