[asterisk-users] rxfax not receiving faxes

Tue Jul 8 01:22:52 CDT 2008

I simply downloaded and compiled iaxmodem and hylafax and configured it 
following the directions on the respective websites.

http://iaxmodem.sourceforge.net/
http://www.hylafax.org/content/Main_Page

Basically iaxmodem acts as a modem and connects to Asterisk via IAX.
Hylafax connects to the modem (as if it were a hardware modem) and 
answers the fax accordingly.

Hylafax does most of the work.  You can have it store the files, print 
them, email them, etc.  It also supports sending, I haven't gotten into 
that yet.

Joseph L. Casale wrote:
> Share the knowledge :P
> jlc
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Greg Koch
> Sent: Monday, July 07, 2008 10:58 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion; jonnt at taylortelephone.com
> Subject: Re: [asterisk-users] rxfax not receiving faxes
>
> Thanks for the recommendation - I was able to configure it to receive
> faxes, it took me a few hours, but it works flawlessly!
>
>
> Jonn R Taylor wrote:
>   
>> Rxfax is very unstable on 1.4. I would suggest that you use iaxmodem and hylafax.
>>
>> Jonn
>>
>> -----Original Message-----
>> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Greg Koch
>> Sent: Monday, July 07, 2008 8:59 PM
>> To: asterisk-users at lists.digium.com
>> Subject: [asterisk-users] rxfax not receiving faxes
>>
>> I have been using Asterisk with a fax machine flawlessly for quite some
>> time, but I want to move to a more digital kind of system.  I want to
>> use rxfax to receive the faxes, and then store them on the server in a
>> directory to be viewed by domain users via a website I will later
>> script.  The problem I am having is that the program does not actually
>> answer the fax and receive it.  I have looked just about everywhere for
>> ways to setup rxfax, and check for solutions to my problem.  Below you
>> will see my extensions.conf and the output from the cli as a fax is sent
>> in.
>>
>> extensions.conf:
>> [incomming]
>> exten => _1XXXXXXXXXX,1,Answer
>> exten => _1XXXXXXXXXX,2,Playtones(ring)
>> exten => _1XXXXXXXXXX,3,NVFaxDetect(6)
>> exten => _1XXXXXXXXXX,4,Dial(SIP/7001,20)
>> exten => _1XXXXXXXXXX,5,Voicemail(7001 at home)
>>
>> exten => fax,1,Answer()
>> exten => fax,2,Playtones(ring)
>> exten => fax,3,Set(TIMEOUT(absolute)=3600)
>> exten =>
>> fax,4,Set(FAXFILE=/var/spool/asterisk-fax/${STRFTIME(${EPOCH},,%Y%m%d-%H%M%S)}-${CALL$
>> exten => fax,5,rxfax(${FAXFILE})
>> exten => fax,6,Hangup()
>>
>> CLI output during fax transmission (I have replaced my number with X and
>> the calling number with x):
>>     -- Executing [15058964243 at incomming:1]
>> Answer("SIP/1XXXXXXXXXX-007321b0", "") in new stack
>>     -- Executing [15058964243 at incomming:2]
>> PlayTones("SIP/1XXXXXXXXXX-007321b0", "ring") in new stack
>>     -- Executing [15058964243 at incomming:3]
>> NVFaxDetect("SIP/1XXXXXXXXXX-007321b0", "6") in new stack
>> [Jul  7 19:53:51] NOTICE[16137]:
>> /root/asterisk/agx-ast-addons/app_nv_faxdetect.c:219 nv_detectfax_exec:
>> Redirecting SIP/1XXXXXXXXXX-007321b0 to fax extension
>>     -- Executing [fax at incomming:1] Answer("SIP/1XXXXXXXXXX-007321b0",
>> "") in new stack
>>     -- Executing [fax at incomming:2] PlayTones("SIP/1XXXXXXXXXX-007321b0",
>> "ring") in new stack
>>     -- Executing [fax at incomming:3] Set("SIP/1XXXXXXXXXX-007321b0",
>> "TIMEOUT(absolute)=3600") in new stack
>>     -- Channel will hangup at 2008-07-08 02:53:51 UTC.
>>     -- Executing [fax at incomming:4] Set("SIP/1XXXXXXXXXX-007321b0",
>> "FAXFILE=/var/spool/asterisk-fax/20080707-195351-1xxxxxxxxxx.tif") in
>> new stack
>>     -- Executing [fax at incomming:5] RxFAX("SIP/1XXXXXXXXXX-007321b0",
>> "/var/spool/asterisk-fax/20080707-195351-1xxxxxxxxxx.tif") in new stack
>> [Jul  7 19:53:51] NOTICE[16137]: channel.c:2270 __ast_read: Dropping
>> incompatible voice frame on SIP/1XXXXXXXXXX-007321b0 of format slin
>> since our native format has changed to ulaw
>>
>>  From what I am seeing here, it answers the call, detects the fax and
>> forwards to the fax exten, that exten then answers, plays the ring tone
>> until something else happens, sets the timeout, sets the fax file (that
>> dir is 755 asterisk asterisk), then it is supposed to receive the fax
>> and store it...  The sending machine simply says the call was not
>> answered.  It seems like all is going according to plan until it hits
>> RxFAX, then it does nothing.  Does anyone have any idea what is going on
>> here?  I have SpanDSP and everything compiled in the correct
>> directories, I've checked permissions at least a dozen times...  I'm
>> running out of ideas...  I still can't figure out what that notice is
>> really all about either!
>>
>> I have tried making an internal extension for me to dial with a phone
>> with the same dialplan as the fax extension, the same thing happens.  It
>> answers, and then just sits there on RxFAX.
>>
>> Help!!
>>
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