Exactly!

Peter M.

> The issue is that there are many many businesses that are big enough
> that they need DIDs and shared lines but aren't nearly big enough for
> digital technology.
> 
> There is a gaping hole in phone services that stretches between about 5
> users and 75 users. They need the features that T1/PRIs offer but don't
> need, and can't afford 23 channels.
> 
> John
> 
> On Thu, 2006-07-27 at 11:57 -0400, Henry Coleman [VoIP-PBX.ca] wrote:
> > Hi, I have implemented Direct in Dial Trunks (DIDs) in Canada using a 
> > Mitel SX100 PBX  in 1986
> > but I would not advise you to use this technology. It really doesn't 
> > offer any advantage over digital lines
> > The first problem is that the three or four digits that get passed to 
> > the PBX must represent extension number directly or must be mapped to an 
> > extension range (a feature not always available).
> > The second limitation is the number of simultanious calls
> > All in all, the technology is better left to history.
> > A digital trunk servicing each extension is far less expensive and 
> > offers much more flexability.
> > I would see if you can port the existing number range to an ITSP (or get 
> > a consecutive group of digital lines)
> > These trunks could then directly ring an extension and if unanswered 
> > could be diverted to a receptionist
> > to take messages or go to Vmail.  This is the basic functionality of 
> > analog DID and is a "piece of cake" to implement with Asterisk.
> > 
> > Henry


Reply via email to