[Asterisk-Users] Asterisk in parallel with PSTN

[Dorn Hetzel]

I've got a configuration with PSTN line connected to FXO
on TDM400P ringing through to a phone connected on a
Sipura SPA-3000.  The phone *does* ring before the
caller-id is available.  In fact, it shoes some 
alternate message like "waiting for caller id info"
right after the first ring and then changes to
the real caller-id after the 2nd ring.

-Dorn

On Thu, Dec 23, 2004 at 03:44:14PM -0500, Steve Prior wrote:
> Andrei (MPI) wrote:
> 
> >richard wrote:
> >>Asterisk also ring (so that all three of them are ringing), and then 
> >>someone can then choose which phone they want to answer?
> >
> >
> >Hi Richard,
> >
> >Absolutely, you can do that with Asterisk. Though VoiP telephone 
> >(Asterisk) may start ringing a second later than analog phones connected 
> >to the line directly. I do not think that would be a problem.
> 
> I believe you should note that if Asterisk is configured for callerid
> that the SIP phone won't ring until your non-Asterisk phones have rung
> twice.  This is because Asterisk gets the CID before it passes the call
> through.  I'd like to be wrong about this, but I believe that's what I've
> been told.
> 
> Steve
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