[Asterisk-Users] Anyone having trouble with VoicePulse Connect?

[beonice]

Thanks, Robert. Yes, I _finally_ figured out why I
need multiple extension contexts. I'm now one happy
camper.

Thanks again,
Maya

--- Robert Hajime Lanning
<lanning+asterisk at monsoonwind.com> wrote:

> 
> <quote who="beonice">
> > Robert, thank you very much for that informative
> > write-up. Of course, I now have more questions.
> The
> > first is really basic. I thought "extension" meant
> > something the caller dials _after_ reaching
> asterisk.
> > How come incoming DIDs have to be handled as if
> they
> > are extensions?
> 
> Actually the answer is better shown when looking at
> DID analog trunks.  Analog trunks are just POTS
> lines.
> With inbound DID analog trunks, the side that
> provides
> the voltage and dialtone are reversed.  The CO looks
> like a phone and your PBX looks like the CO.
> 
> So when a call comes in, the CO picks up the "phone"
> to your PBX and dials the DID number.  In this case,
> there is no callerID available.
> 
> >> [DID]
> >> exten => _X.,1,Goto(PublicExtensions,8001,1)
> >
> >
> > But won't this match every single number possible?
> > Including the extensions I set up? So, for
> example, if
> > I had an extension '1234', it would also be sent
> to
> > PublicExtensions extension 8001 with priority 1,
> as
> > would someone calling extension 8001, as well as
> > someone calling in from any DID. I'm totally
> confused
> > about the way this would behave.
> 
> This is why you use a seperate context ("[DID]") for
> DID's.  DID trunks go into the DID context.  Your
> station
> channels go into some other "internal" context, that
> contains your real extension numbers.  The DID
> context
> will match DID's to extensions that exist in other
> contexts.
> In my example, I have "PublicExtensions" which is a
> list of
> extensions that are available via my main phone
> number and
> it gets included in my "PrivateExtensions" context
> which is
> where my internal channels drop into.
> 
> Just remember that contexts seperate out extensions.
> Extension "8001" in context "internal" has nothing
> to
> do with extension "8001" in context "inbound".  You
> can
> definately point on towards the other, but there is
> no
> intrinsic relationship between the two.
> 
> -- 
> END OF LINE
>        -MCP
> 
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