[asterisk-users] rxfax not receiving faxes

[Greg Koch]

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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