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

[Steve Totaro]

On Thu, Oct 25, 2012 at 5:35 PM, jon pounder <jonp at inline.net> wrote:
> On 10/25/2012 05:09 PM, Carlos Alvarez wrote:
>
> On Thu, Oct 25, 2012 at 2:01 PM, Justin Killen
> <jkillen at allamericanasphalt.com> wrote:
>>
>> Cost and ease of deployment, yes.  At this specifc location we are
>> currently using Centrex lines (AT&T hosted) and are looking for a way to
>> move into something cheaper without throwing away the existing phones.  I
>> like the idea of using a channel bank – I’ll look into that as an option as
>> well.
>
>
> You should be able to also connect the Centrex lines to the channel banks, I
> believe.
>
>
> Best to check the specs of the actual phones, around here some of them are
> norstar phones that I am pretty sure are some sort of isdn (bri) thing
> rather than being a pure analog device.  Better still take one of them and
> plug it in a raw analog line someplace and see what you get.
>
>
> I always advocate throwing out old analog phones as they will be a pain, but
> understand if you absolutely cannot.  Just keep in mind you can get a decent
> VoIP phone for $60 that is very likely to be nicer than what they have now
> and do much more.
>
> --
> Carlos Alvarez
> TelEvolve
> 602-889-3003
>

Very true.  If they have lots of lights and a display, they are most
likely digital phones.  What kind of PBX and phones do you have.
Before digital, phones needed 25 pair to control the phone's various
lights, lines, mwi.

Thanks,
Steve Totaro