asterisk users - Jan 2009 - extensions.conf -- what to do when command throws errors?

Hi, all.  I've got app_rxfax going and nicely receiving a fax, which I
then throw to a script, and have it convert it to a PDF and mail it. 
Works great... a lot of the time.  But a fair bit of the time, rxfax
throws errors, and extensions.conf seems never to invoke my script.  Here
are the pertinent lines:

exten => _6403,n,rxfax(${FAXFILE})
exten => _6403,n,System(/usr/local/bin/fax-sender.py ${FAXFILE})

Now the problem here is that the .TIF file is received just fine, so,
errors or no, I'd like to get to the script.  Instead, I get this:

...
[5410] /tmp/spandsp/agx-ast-addons/trunk/app_rxfax.c: Channel T30 DONE < 0.
[5410] /tmp/spandsp/agx-ast-addons/trunk/app_rxfax.c: Channel T30 DONE < 0.
[5410] logger.c: == Auto fallthrough, channel 'Zap/4-1' status is
'UNKNOWN'
[5410] chan_zap.c: Set option AUDIO MODE, value: ON(1) on Zap/4-1
[5410] chan_zap.c: Not yet hungup...  Calling hangup once with icause, and
clearing call
[5410] chan_zap.c: Set option AUDIO MODE, value: OFF(0) on Zap/4-1
[5410] logger.c:     -- Hungup 'Zap/4-1'
...

In an ideal world, getting rid of the "Channel T30 DONE <0" errors
would
be great, but I'll take run-the-script-when-it's-done-regardless,
instead.
 Note, however, that I can't just call it from extension i, because I need
to pass it information, and don't want it executing on errant voice calls.

Suggestions?

Thanks!

-Ken

It seems to me that $FAXFILE lives in the 6403 context, not the n, so it
would still be useable.  If this isn't the case, I'd call an AGI script
in
the "I" context.

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Ken
D'Ambrosio
Sent: Tuesday, January 20, 2009 4:03 PM
To: asterisk-users at lists.digium.com
Subject: [asterisk-users] extensions.conf -- what to do when command
throwserrors?

Hi, all.  I've got app_rxfax going and nicely receiving a fax, which I
then throw to a script, and have it convert it to a PDF and mail it. 
Works great... a lot of the time.  But a fair bit of the time, rxfax
throws errors, and extensions.conf seems never to invoke my script.  Here
are the pertinent lines:

exten => _6403,n,rxfax(${FAXFILE})
exten => _6403,n,System(/usr/local/bin/fax-sender.py ${FAXFILE})

Now the problem here is that the .TIF file is received just fine, so,
errors or no, I'd like to get to the script.  Instead, I get this:

...
[5410] /tmp/spandsp/agx-ast-addons/trunk/app_rxfax.c: Channel T30 DONE < 0.
[5410] /tmp/spandsp/agx-ast-addons/trunk/app_rxfax.c: Channel T30 DONE < 0.
[5410] logger.c: == Auto fallthrough, channel 'Zap/4-1' status is
'UNKNOWN'
[5410] chan_zap.c: Set option AUDIO MODE, value: ON(1) on Zap/4-1
[5410] chan_zap.c: Not yet hungup...  Calling hangup once with icause, and
clearing call
[5410] chan_zap.c: Set option AUDIO MODE, value: OFF(0) on Zap/4-1
[5410] logger.c:     -- Hungup 'Zap/4-1'
...

In an ideal world, getting rid of the "Channel T30 DONE <0" errors
would
be great, but I'll take run-the-script-when-it's-done-regardless,
instead.
 Note, however, that I can't just call it from extension i, because I need
to pass it information, and don't want it executing on errant voice calls.

Suggestions?

Thanks!

-Ken


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On Tue, 20 Jan 2009, Ken D'Ambrosio wrote:
> Hi, all.  I've got app_rxfax going and nicely receiving a fax, which I
> then throw to a script, and have it convert it to a PDF and mail it.
> Works great... a lot of the time.  But a fair bit of the time, rxfax
> throws errors, and extensions.conf seems never to invoke my script.  Here
> are the pertinent lines:
>
> exten => _6403,n,rxfax(${FAXFILE})
> exten => _6403,n,System(/usr/local/bin/fax-sender.py ${FAXFILE})
What else can match _6403 other than 6403? Wouldn't "exten =
6403,n,..."
be "better?"
> [5410] logger.c: == Auto fallthrough, channel 'Zap/4-1' status is
'UNKNOWN'
"Auto fallthrough" happens when Asterisk wants to go to the next
priority
and there isn't one.

Does "[show dialplan|dialplan show] <context-containing-rxfax>"
look like?
Any chance rxfax is trying to do a "jump +101" on you?

Thanks in advance,
------------------------------------------------------------------------
Steve Edwards      sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                             Fax: +1-760-731-3000