[asterisk-users] high capacity analog <-> sip gateway

[Steve Totaro]

On Thu, Oct 25, 2012 at 5:01 PM, Chris Bagnall
<asterisk at lists.minotaur.cc> wrote:
> On 25/10/12 9:49 pm, Justin Killen wrote:
>>
>> What would be the advantage of using 100 single units vs. just buying VoIP
>> phones?  That doesn't seem very cost effective to me in the long run.
>
>
> In older buildings with existing single pair cabling, there might not be a
> great deal of choice.
>
> We were faced with a similar scenario at a hotel in Lincolnshire a few
> months ago - listed building, lots of old pre-ethernet cable, no likelihood
> of being able to replace the cable.
>
> In answer to the OP, I concur with suggestions for 24-port channel banks -
> you really don't want one or two devices responsible for all 100 extensions.
> I would not encourage individual SPA or PAP units - it'd be an administative
> (and cabling) nightmare - it's bad enough with a dozen of the things.
>
> Kind regards,
>
> Chris
> --
> This email is made from 100% recycled electrons
>

Wow, single pair?  never came across that before.  You can run 10bastT
on CAT3.  The worst I have found where Amphenol cables, one per
station.  Not really bad since it is a 25 pair cable.

Thanks,
Steve T