[Asterisk-Users] Asterisk <--> PABX

[jurgen]

Hi Rudolf,

Paul's right, I've configured our Asterisk box to talk to our existing
(and on its way out the door) analogue PABX. It's a bit of a hacky
kludge, but I'm using an analogue 4-port FXO card in the Asterisk box,
connected to four analogue extensions out of the old PABX.

I could also have used an FXS card and configured the old PABX to
recognise them as 4 ordinary PSTN trunks, but when the system goes
live, I wouldn't need any FXS ports, so I didn't bother. Trunking is
probably the more "correct" solution here though.

If you need more than 4 concurrent lines, and have the capability,
take a look at trunking them together with ISDN. This is a bit beyond
what I've tried here, but it ought to work.

......jurgen


On Thu, 31 Mar 2005 09:03:21 +1000, rudolfl at optusnet.com.au
<rudolfl at optusnet.com.au> wrote:
> Hi, all
> 
> I have been asked if it will be possible to conenct Asterisk to a commercial PABX.
> 
> Company has an established call center, but want to use Asterisk for long distance
> inter-office calls and they want to use existing phone system.
> At the moment all I know is that they have Siemens PBX system. They will give me
> more details soon.
> Since I never tried that before, I want to get some information before I even talk
> to them.
> Did anyone try to connect to an office PBX? What interfaces PBX typically expose?
> What to look out for?
> Any links will be greatly appreciated.
> 
> Thanks,
> Rudolf
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