[asterisk-users] Disconnection supervision: what about PBX

[Stephen Bosch]

Hi, Trevor:

Trevor G. Hammonds wrote:
>> Stephen Bosch wrote:
>>> Are BRI circuits what phone companies call "digital" lines for use
>>> with digital sets, such as with digital Centrex?
>>>
>>> I'm not aware that Telus even offers BRI.
>>>
>>> Sorry -- BRI is ISDN, not digital Centrex.
>>>
>>> I'm still not aware that Telus even offers ISDN anymore :)
>> ...and by that I mean ISDN BRI ;)
>>
>> -Stephen-
> 
> Throughout most of the United States, "Digital Centrex" or "CentrexIS" is
> ISDN as part of a Centrex group.  If the circuit is meant for a single
> device, it would be a BRI.  If the circuit is "Hi-Cap" or meant to be hooked
> up to a PBX or the like, it would be a PRI.  
> 
> I am not that familiar with Telus, but what Bell is calling "Digital Voice"
> service is merely VoIP over one of their DSL connections.  While I know that
> both companies offer Centrex over PRI, I am unsure if either company
> supports BRI widely anymore.  I know BRI service is available, and most of
> their switches are capable of offering BRI circuits.  For example, digital
> secretarial enhanced key telephone sets are ISDN phones that work via a BRI.
>
> In my experience, most telcos in the US and Canada will not tell you about
> BRI unless you specifically ask.  And if you do, they shuffle you off to
> another department where they may or may not know how to properly provision
> the circuit.  Somehow, all the LECs in North American look at BRI as a
> data-only service and never really saw the advantages of offering it to
> voice-only customers.  As such, now that 128k (or 144k) is too slow of a
> data connection for most, BRI has just been passed by.  Such a shame...

I can still find information pages on BRI on the Telus website (buried,
but there); as you point out, though, they refer to data connections only.

I am going to give it a try and see what I come up with.

There's every possibility they'll offer it but at a ridiculous price,
just to discourage adoption enough to let them phase it out. I'll bet
that this stuff will disappear when the switching equipment is upgraded.

-Stephen-