On Tue, Jan 16, 2018 at 6:59 PM, Anders Nelson via cctalk
wrote:
> Silvertel makes POTS line interfaces (SLICs) that work on 3.3v or 5v
> supplies. They do all the high voltage generation and impedance wizardry on
> the POTS side, then expose audio in/out and simple control lines.
I've worked wit
On 01/16/2018 08:39 PM, Chuck Guzis via cctalk wrote:
I wonder if one of the inexpensive VoIP-to-POTS adapters would do the job...
I expect so. That's what I was referencing earlier when I said that I
had a fax machine working behind an IAXy (connected to Asterisk.)
Otherwise, there should
I wonder if one of the inexpensive VoIP-to-POTS adapters would do the job...
Otherwise, there should still be some cheap KSUs around on the surplus
market.
--Chuck
> I would expect that such PBXs have a way to receiving incoming analog
> lines. As such, I would expect that you could take an FXO (station)
> port on one PBX and connect it to the FXS (CO) port on the other PBX,
> and vice versa.
They do have access to outside lines (e.g. 9, number). However, I
Silvertel makes POTS line interfaces (SLICs) that work on 3.3v or 5v
supplies. They do all the high voltage generation and impedance wizardry on
the POTS side, then expose audio in/out and simple control lines.
To complete the picture you'd have to generate the tones and decode the
numbers but tha
On 01/16/2018 04:46 PM, Ali wrote:
You can pick up a cheap Chinese analog 8 port PBX on ePay for about
$60. It will create dial tone, ring, etc. and allow you to call from
"extension" to "extension" so you can even dial in and get a handshake
tone. The only issue is that I don't believe they ca
> Would this be a good job for the Viking Electronics DLE-300?
>
> It emulates a CO with a pair of POTS lines, so you can call from port
> to port on it. It emulates all of the correct tones and CPC, both
> modems think they are on POTS lines. Makes it very easy to connect a
> pair of modems back-
