[asterisk-users] rxfax not receiving faxes

[Leotis buchanan]

hey guys,

i am new to asterisks, i recently set up my first asterisk box, with a very
simple dial plan, that answers  a call and plays one of the gsm sound files
that comes with asterisk. My problem is that the sound quality of the played
.gsm file is very poor.  can anyone say how i can fix this, i tried using a
wav file,but asterisk says it cannot handle a wav file.

I am using asterisk 1.4 ,running on a ubuntu 8.04 server.


Bucky

On Mon, Jul 7, 2008 at 9:16 PM, Jonn R Taylor <jonnt at taylortelephone.com>
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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