[Asterisk-Users] What technology could my phone company be using?

[Jon Pounder]

> I live in New Brunswick Canada.  The phone company is Aliant.  When
> you set up business service here, you can go with either analog or
> digital lines.  This isn't a T1 or ISDN.  They are talking individual
> lines direct to handsets that they provide.  They offer the digital
> option with even very small ( 2 - 4) number of lines.

I am guessing DSL to a hybrid box like one of the ones from ZHONE that
split off several pots lines or isdn lines, and a high speed serial line
(normally configured as frame relay for whatever bandwidth is left over)

This "box" could be at your demarc much like you would have your T1
"modem" (T1 is actually delivered over HDSL on a single pair, and then the
modem box splits it out onto the the familiar tx and rx pairs)

In this case the handsets could be either analog or isdn depending what
"flavour" box they provide.

They could also be just giving you an adsl circuit, and a dumb modem/hub,
and providing unique ips to IP phones that you happen to plug in, but
there would not be any network connection to the internet, just to their
voip headend at the CO.

All these alternatives save them money since they can be delivered to you
on one pair, and support what seems like 4 or more physical lines.




>
> What technology could this be?  Is there any way to connect such a
> line to Asterisk?  PBX vendors that I have talked to in the past say
> that we can bring the Aliant digital lines straight into their PBX.
> We would like to do this with Asterisk, but can't figure out what the
> technology is.  (ever try to get technical info from the phone
> company?)
>
> I have searched the web and the archives, but can't figure out what
> the technology could be.  It can't be T1, because these lines come
> direct to handsets.  I don't believe it can be BRI because each phone
> has only a single line, and the price seems to low.
>
> If anyone can shed any light on this, it would be very much
> appreciated.
>
> Doug
> --
> Doug Meredith (doug.meredith at systemguard.com)
> SystemGuard - Oracle remote support
> 877-974-8273 (87-SYSGUARD)
> 506-854-7997
> www.systemguard.com
>
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