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vitor.mazuco at gmail.com
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 Posted: Wed Mar 30, 2016 7:25 am Post subject: [asterisk-users] Is possible to use FXO Digium card like a F |
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Hi!
Is possible to use X100p TDM400P, Tdm410p, Tdm400, A400p, Ax400p or
any others digium card FXO for use Fax modem?
Thanks.
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asterisk_list at earth...
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| Posted: Wed Mar 30, 2016 7:38 am Post subject: [asterisk-users] Is possible to use FXO Digium card like a F |
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On Wednesday 30 Mar 2016, Vitor Mazuco wrote:
| Quote: | Hi!
Is possible to use X100p TDM400P, Tdm410p, Tdm400, A400p, Ax400p or
any others digium card FXO for use Fax modem?
|
Yes, in theory it is entirely possible to use an FXO card driven by software
as a modem (and indeed, this is exactly what Winmodems do); although you
will have to do all the hard work of generating the outgoing tones, and
decoding the incoming tones, yourself. This is a highly non-trivial task, and
there is almost certain to be a better way than this of achieving whatever you
want.
--
AJS
Note: Originating address only accepts e-mail from list! If replying off-
list, change address to asterisk1list at earthshod dot co dot uk .
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vitor.mazuco at gmail.com
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| Posted: Wed Mar 30, 2016 8:10 am Post subject: [asterisk-users] Is possible to use FXO Digium card like a F |
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Humm thanks for your reply,
Do you know whats is step for I can transform this card link a fax modem?
2016-03-30 9:36 GMT-03:00, A J Stiles <asterisk_list@earthshod.co.uk>:
| Quote: | On Wednesday 30 Mar 2016, Vitor Mazuco wrote:
| Quote: | Hi!
Is possible to use X100p TDM400P, Tdm410p, Tdm400, A400p, Ax400p or
any others digium card FXO for use Fax modem?
|
Yes, in theory it is entirely possible to use an FXO card driven by software
as a modem (and indeed, this is exactly what Winmodems do); although you
will have to do all the hard work of generating the outgoing tones, and
decoding the incoming tones, yourself. This is a highly non-trivial task,
and
there is almost certain to be a better way than this of achieving whatever
you
want.
--
AJS
Note: Originating address only accepts e-mail from list! If replying off-
list, change address to asterisk1list at earthshod dot co dot uk .
--
_____________________________________________________________________
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greg at gregandeva.net
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| Posted: Wed Mar 30, 2016 8:47 am Post subject: [asterisk-users] Is possible to use FXO Digium card like a F |
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On Wed, Mar 30, 2016 at 6:36 AM, A J Stiles <asterisk_list@earthshod.co.uk (asterisk_list@earthshod.co.uk)> wrote:
| Quote: | On Wednesday 30 Mar 2016, Vitor Mazuco wrote:
| Quote: | Is possible to use X100p TDM400P, Tdm410p, Tdm400, A400p, Ax400p or
any others digium card FXO for use Fax modem?
|
Yes, in theory it is entirely possible to use an FXO card driven by software
as a modem (and indeed, this is exactly what Winmodems do); although you
will have to do all the hard work |
There are also cheap USB fax modems that you can attach to an FXO port and that works fine. All you have to do then is configure asterisk to detect incoming faxes and route them to that port (faxdetect=yes?).
This worked great for me when I had all my incoming calls coming over a Century Link POTS line. As I approach retirement and want to save money, I switched from the $44/month POTS line to a pennies-per-month VOIP service via IAX registration. So now I'm wondering whether this setup would still work. The question undoubtedly shows my ignorance of telephony stuff. I'm willing to do my homework, I just want to know if it's even possible to do this, or if there are better ways to handle fax over VOIP.
--Greg |
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asterisk_list at earth...
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| Posted: Wed Mar 30, 2016 10:16 am Post subject: [asterisk-users] Is possible to use FXO Digium card like a F |
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On Wednesday 30 Mar 2016, Vitor Mazuco wrote:
| Quote: | Humm thanks for your reply,
Do you know whats is step for I can transform this card link a fax modem?
|
Start with the specification document for the modulation scheme you want to
implement, and the DAHDI Source Code for the card you want to use.
But if you have to ask how to do it, it's probably too hard for you .....
--
AJS
Note: Originating address only accepts e-mail from list! If replying off-
list, change address to asterisk1list at earthshod dot co dot uk .
--
_____________________________________________________________________
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tzafrir.cohen at xorco...
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| Posted: Wed Mar 30, 2016 10:37 am Post subject: [asterisk-users] Is possible to use FXO Digium card like a F |
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On Wed, Mar 30, 2016 at 01:36:16PM +0100, A J Stiles wrote:
| Quote: | On Wednesday 30 Mar 2016, Vitor Mazuco wrote:
| Quote: | Hi!
Is possible to use X100p TDM400P, Tdm410p, Tdm400, A400p, Ax400p or
any others digium card FXO for use Fax modem?
|
Yes, in theory it is entirely possible to use an FXO card driven by software
as a modem (and indeed, this is exactly what Winmodems do); although you
will have to do all the hard work of generating the outgoing tones, and
decoding the incoming tones, yourself. This is a highly non-trivial task, and
there is almost certain to be a better way than this of achieving whatever you
want.
|
With the sole exception of the X100P, which, IIRC, was basically an
existing fax/modem card. If you dig deep enough you may find existing
drivers for it.
Assuming what is now called X100P is close enough to what was originally
that modem.
--
Tzafrir Cohen
icq#16849755 jabber:tzafrir.cohen@xorcom.com
+972-50-7952406 mailto:tzafrir.cohen@xorcom.com
http://www.xorcom.com
--
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steveu at coppice.org
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| Posted: Wed Mar 30, 2016 11:57 pm Post subject: [asterisk-users] Is possible to use FXO Digium card like a F |
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On 03/30/2016 08:23 PM, Vitor Mazuco wrote:
| Quote: | Hi!
Is possible to use X100p TDM400P, Tdm410p, Tdm400, A400p, Ax400p or
any others digium card FXO for use Fax modem?
Thanks.
|
Asterisk + iaxmodem gives you a bunch of soft FAX modems. Add one of the
analogue PSTN interface cards you listed and you have a multi-channel
PSTN connected FAX modem. This arrangement is widely used with HylaFAX,
although people do use it with other FAX software, such as the stuff
built into Windows (using ethernet virtual terminals to connect the
windows box to the linux box).
Regards,
Steve
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