[Asterisk-Users] determining what number was dialed?

[Paul Concepcion]

Thanks for the explanation, I'm checking with my boss now to see if we
do have hunt groups set up. For now we have 2 companies to service
with our PBX and 8 lines, so we could probably split it 4/4 or 5/3.

On Mon, 23 Aug 2004 09:21:11 -0700, Chris Shaw <chriss at watertech.com> wrote:
> ----- Original Message -----
> From: "Steven Critchfield" <critch at basesys.com>
> To: <asterisk-users at lists.digium.com>
> Sent: Sunday, August 22, 2004 8:12 PM
> Subject: Re: [Asterisk-Users] determining what number was dialed?
> 
> > On Sat, 2004-08-21 at 16:37, Paul Concepcion wrote:
> > > well, that's our setup (8 analog lines -> channel bank -> t100P), so
> > > it looks like DNIS is out of the question. We do have 8 phone numbers
> > > though. Could we have a 1-800 number direct to each of those, then do
> > > what you suggested with contexts? What would happen if two people
> > > dialed 1-800-a if 1-800-a was pointed to just one phone number?
> >
> > Depends on hunt groups and such. If you have rollover/hunt groups,
> > pointing a 1800 to a number is not very useful for getting DID or DNIS
> > functionality.
> >
> > The different context solution was based on the idea of making each
> > incoming analog line have it's own logical seperation in the dialplan.
> > The trouble is, as you roll from one busy line to the next, there is no
> > information about what group the person dialed into. If you where to
> > split your hunt group into 2 - 4 line groups without talking to the
> > telco, you could fill group 1 up and then be rolling into group b. Same
> > works the other way with wrap around hunting.
> >
> > If you don't have hunt group functionality, and you point a 1800 number
> > to a analog line, then the second phone call will hit a busy signal.
> 
> I'm using a similar setup here, we have 3 companies in this building. We're
> using a Merlin Legend PBX with FXO modules. Our incoming lines come from a
> T1 which terminates on an ADIT 600. It is then split into lines through FXS
> cards in the ADIT...
> 
> Company A has 5 lines, the first of which has the 1-800 number pointed to
> it. It is set up on a linear hunt group to the other 4 lines. No matter what
> line the call comes in on, since it's in that first set of 5 lines, the PBX
> answers with Company 'A' IVR... * can do the same thing, I would group the
> first 5 channels into 'g1' for example, then place them in a context like
> [companyA]...
> 
> Company B has 3 lines, same thing only set up on a separate linear hunt
> group so that it doesn't roll into the first 5 lines or the next 8 lines...
> 
> Company C has 8 lines... you get the idea...
> 
> I'm not sure how many companies you have or how many 1-800 numbers you're
> using... Obviously this is not the ideal setup because it requires the
> different companies to have a fixed amount of lines whether they use them
> all or not... A better solution would be a PRI with DNIS but this is what we
> have to work with and it seems to work well...
> 
> Like Steven said if you don't have hunt groups, then when someone calls a
> number and another person calls that same number, the 2nd person will get a
> busy signal... At least with the way our hunt groups work, the hunt will
> keep looking in a linear fashion until a line becomes free (resulting in the
> person hearing ringing)...
> 
> Hope this helps!
> 
>     -Chris
> 
> 
> 
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