[asterisk-users] rxfax, spandsp and lack of ecm

[Craig Guy]

It would be nice if someone could do that but I doubt it will happen. 
Hylafax / iaxmodem is more complicated and more effort to set up than rxfax 
but the end result is worth the effort.  My only criticism is that I set up 
2 x E1's on a server (60 channels) and I didn't enjoy having to configure 60 
entries in iax.conf, 60 tty's in etc/inittab, 60 modem entries in 
var/spool/hylafax/etc, 60 entries in extensions.conf .. you get the picture. 
In that respect rxfax is much much easier and faster to get going, and also 
more scalable cause you can just keep calling it as many times as you need 
it without having to know your max concurrent calls in advance.

Craig

----- Original Message ----- 
From: "Artifex Maximus" <artifexor at gmail.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Wednesday, September 13, 2006 8:40 PM
Subject: Re: [asterisk-users] rxfax, spandsp and lack of ecm


> Craig & Doug,
>
> Thanks for your info. I'll do that way.
>
> Is there any chance for implementing ecm in rcfax/spandsp? I think
> using rxfax is more friendly than using a modem emulator connected
> through a virtual device to a fax software. It's sound as a very
> bizarre way to me. :-)
>
> bye,
> Zsolt
>
> On 9/13/06, Craig Guy <cguy at bigpond.net.au> wrote:
>> spandsp supports 9600 rx and does not support ecm.  If you want ecm, use
>> iaxmodem with hylafax - http://iaxmodem.sourceforge.net , currently 
>> hylafax
>> in conjunction with iaxmodem seems to be more reliable than rxfax and
>> spandsp by themselves.
>>
>> Craig
>> ----- Original Message -----
>> From: "Artifex Maximus" <artifexor at gmail.com>
>> To: <asterisk-users at lists.digium.com>
>> Sent: Wednesday, September 13, 2006 6:31 PM
>> Subject: [asterisk-users] rxfax, spandsp and lack of ecm
>>
>> > Hello,
>> >
>> > I had received a lot of unreadable pages with rxfax. I've been doing
>> > some search on net and found this:
>> > http://threebit.net/mail-archive/asterisk-users/msg15708.html
>> >
>> > It looks like rxfax/spandsp doesn't support ecm error correction. Bad
>> > news for me. Is it still the case? app_rxfax.c dated as 8th of
>> > february so I think the answer is yes but I am still hoping a little
>> > no or might someone have a patch for enabling/implementing ecm.
>> >
>> > bye,
>> > Zsolt
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