On Tue, 18 May 2010 16:00:16 -0700, Darren New wrote:

> Jim Henderson wrote:
>> True; it would be interesting, for example, to know if my work number
>> counts as part of the PTSN;
> 
> Yes, it does. If you have a phone number, you're part of the PSTN.  If
> it shares phone numbers with other phones (and you have to dial an
> extension or something, or "dial 9 for an outside line and maybe get a
> busy signal"), then it's still part of the PSTN, it's just all behind
> one phone number.

Makes sense, I thought that probably was the case.

>> 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.
> 
> It has to know how to route your call to the rest of the network.

Yep.

Jim

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