A Pri is simply a flavour of a T1 circut with 24 channels , relativly inexpensive one can attain these for $450 canadian and up(or maybe less). when used in conjuntion with a digium card (such as the te110p) or sangoma t1 card you can get 23 channels(connections to the pstn) going at once (24th channel is used for signalling). Most small voip companys start with a couple of these and a bunch of did's (phone numbers)

You are correct in the reading of DUNDI, the practical purpose is very clear (you'd probably only want to do this if you had a t1/pri or greater number of lines. usually home users would never set this up)...
 
1) * Redundancy .... you have fritz with your pstn connection, you can get out through your dundi peer
2) LD Saving ... why call long distance when you can pipe your traffic across the web then out locally for free?
3) Busy circut avoidance ... if your growing in volume this helps because you can offload traffic, or if there is an odd unreachable number for some reason ....
x) any ideas anyone else has :)
 
if your using a pri/t1 you dont hit pots :) you hit pstn (pots=plain old telephone system/line - pstn=public switch telephone network)
 
Phil :)
 

-------- Original Message --------
Subject: [on-asterisk] RE: [asterix] RE: [on-asterisk] Guelph DIDs
From: "David Fishburn" <[EMAIL PROTECTED]>
Date: Mon, December 05, 2005 1:48 pm
To: <[EMAIL PROTECTED]>
Cc: <[email protected]>

Phil I am quite new to this.

Not sure what a PRI and DUNDI network is.

From my brief read of it at vip-info.org I didn't quite follow what the PRI
was, but the DUNDI network is where a company would gain the real advantage
of VOIP.  Calling different offices would route the call to a different
asterix server so that it becomes a local call instead of a long distance
call when it hits the POTS line.

Is that about right?

So if I had an asertix server up and running in Guelph, why would I want it
to be part of a DUNDI network?  Doesn't that mean I would be paying for
calls people make from Toronto that would end up going out on my line(s)?

Thanks,
Dave


> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Sent: Monday, December 05, 2005 1:54 PM
> To: David Fishburn
> Cc: [email protected]
> Subject: [asterix] RE: [on-asterisk] Guelph DIDs
>
> Hey guys, I will be adding a few pri's in the guelph,
> kitchener,waterloo and cambridge areas for the new year :) if
> anyone else gets pri's in that area let me know so we can
> setup a dundi network.
>  
> Phil.
>
>
>  
>
>
> -------- Original Message --------
> Subject: [on-asterisk] Guelph DIDs
> From: "David Fishburn" <[EMAIL PROTECTED]>
> Date: Mon, December 05, 2005 11:42 am
> To: <[email protected]>
>
> Hello.
>
> New to the list and have been watching it for a couple of weeks.
> Glad a friend mentioned it to me.  We are both just
> starting to setup
> Asterix servers.
>
> Seems like Guelph exists in a black hole.  I can find
> Hamilton and
> Kitchener-Waterloo numbers, but nothing for Guelph.
>
> Thought I would check here if anyone is aware of any.
>
> I have already checked out http://www.voip-info.org.
>
> Thanks,
> Dave
>
>
>
>
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