[VoIP] Decadic Savvy ATAs

[Jack Ryan]

Thanks for your input guys.

>From what I have found, ATAs that accept decadic dialling tend to be old and
hard to find but more importantly, depending on the firmware loaded may no
longer accept decadic dialling. A lot of people seem to connect their old
phones to an old auto exchange or PBX and connect the PBXs together using
asterisk/VoIP. I, on the other hand, have old phones that I would like to
connect to the CNET via ATA and asterisk only. I don't have an old exchange
or anywhere to put one. The reason I am using ATAs rather than Digium cards
is that the asterisk PC is in a different building from the analogue
distribution point and a network connection already exists.

I was looking at OpenWrt not to host asterisk but so that I could
reprogramme the hardware (if possible) to accept decadic dialling.

Anyway, no problem is insurmountable. In the end if I can't do what I want,
I will do what I can.

Thanks again for your comments.

Regards

Jack.



On 14/01/2008, John Novack <novackster at gmail.com> wrote:
>
> The Motorola 2 port ATA supports pulse dial as well
> The Cisco 3810 also supports pulse dialing, with up to 6 ports
>
> OpenWRT is in use by a couple of North American members, possibly more.
> AstLinux on the HP thin client, and possibly more also works well
> I have found AstLinux easier to set up and configure, and used it for a
> month or more to continue my CNET connection while rebuilding my
> Asterisk box
>
> John Novack
>
>
> Jack Ryan wrote:
> > Hello List,
> >
> > I have just joined this list so I have some catching up to do. While I
> do
> > that, I would like to ask a question.
> >
> > (Just to synchronise terminology, decadic dialling = pulse dialling =
> rotary
> > dialling = loop disconnect dialling)
> >
> >  I have been looking for ATAs that accept decadic dialling and I have
> come
> > to the conclusion that there are very few and that decadic dialling is
> not
> > high on the average ATA designer's mind. While looking around I have
> > noticed:
> >
> >
> >    - A particular router/VoIP gateway understood decadic dialling
> >    - A firmware upgrade removed this capability
> >
> > This leads me to believe that at least some devices have software
> > (firmware) control over decadic dialling. After hunting around I found
> that
> > VoIP/SIP services are provided by chips such as those made by Zarlink
> > Semiconductor ( http://www.legerity.com/products.php?cid=&sid=1&bpid=33
> ).
> > The problem at the moment is that I don't have access to the data sheets
> so
> > I can see if decadic dialling is supported.
> >
> > There is an open source community that supports an embedded Linux for
> > routers etc called OpenWrt. This project plus a chip that supports
> decadic
> > dialling = heritage phones on line.
> >
> > Does someone in the CNET community have access to this data? Has someone
> > already been down this road?
> >
> > Thanks
> >
> > Jack
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> >
>
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