[VoIP] Decadic Savvy ATAs

Shane Young voiptandem at shaneyoung.com
Sun Jan 13 23:18:38 CST 2008


For up-to 6 ports, use a Cisco MC-3810 with 6 FXS ports.

They can be had on eBay for about the price of 2 or 3 iaxy's.

In theory, you could attach a channel bank (about $100 on eBay) to the  
T1 port and have a total of 30 ports.

--Shane


Quoting Jack Ryan <doctor.jack.ryan at gmail.com>:

> I am sure there is nothing wrong with it at all but I would like a
> representative part of my collection to be operating - say 5 to 10 phones.
> This makes a single port ATA quite expensive but if that's all there is I
> will just have a small operating display.
>
> Thanks for your input Shane.
>
> Regards
>
> Jack
>
>
>
> On 14/01/2008, Shane Young <voiptandem at shaneyoung.com> wrote:
>>
>> Is there something wrong with the Digium iaxy that you don't want to use
>> it?
>>
>> It's an ATA that support both tone and rotary (always has, always
>> will) and is currently in production.
>>
>> It's a little on the high side when you price "per-port" but that
>> wasn't listed as an issue you had.
>>
>> Maybe I missed something..
>>
>> --Shane
>>
>>
>>
>>
>> Quoting Jack Ryan <doctor.jack.ryan at gmail.com>:
>>
>> > 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
>> >> > _______________________________________________
>> >> > VoIP mailing list
>> >> > VoIP at ckts.info
>> >> > http://lists.ckts.info/mailman/listinfo/voip
>> >> > Project Web Page: http://www.ckts.info/
>> >> >
>> >> >
>> >>
>> >> --
>> >> Dog is my co-pilot
>> >>
>> >> _______________________________________________
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>> >> Project Web Page: http://www.ckts.info/
>> >>
>> > _______________________________________________
>> > VoIP mailing list
>> > VoIP at ckts.info
>> > http://lists.ckts.info/mailman/listinfo/voip
>> > Project Web Page: http://www.ckts.info/
>> >
>>
>> --Shane
>> +1-821-7311 CNET
>>
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>>
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> _______________________________________________
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>

--Shane
+1-821-7311 CNET

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