Hi,<br><br>Once again I am stating my problem:<br>I am using freeswitch for sending and receiving faxes. Incoming and outgoing faxes goes through seperate PSTN lines.<br>Whenever a call lands on freeswitch machine, I
execute rxfax(). I get about 5000 fax calls every month, out of which about
800 transmissions fail due to hangup cause 548 'Disconnected after permitted
retries'<br><br>Logs of a failed attempt are posted <a href="http://pastebin.com/FTXjkFrP">here.</a> (This log does not explicitly contain the failed rxfax() execution. There are other freeswitch operations happening simultaneously.)<br>
<br>Thanks in advance for your help. <br>Sadhika<br><br><div class="gmail_quote">On Tue, Apr 19, 2011 at 7:49 PM, Madovsky <span dir="ltr"><<a href="mailto:infos@madovsky.org">infos@madovsky.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div bgcolor="#ffffff">
<div><font size="2">JIRA</font></div>
<blockquote style="border-left: 2px solid rgb(0, 0, 0); padding-left: 5px; padding-right: 0px; margin-left: 5px; margin-right: 0px;"><div><div></div><div class="h5">
<div style="font: 10pt arial;">----- Original Message ----- </div>
<div style="font: 10pt arial; background: none repeat scroll 0% 0% rgb(228, 228, 228);"><b>From:</b>
<a title="sadhika@gmail.com" href="mailto:sadhika@gmail.com" target="_blank">Sadhika Sharma</a>
</div>
<div style="font: 10pt arial;"><b>To:</b> <a title="freeswitch-users@lists.freeswitch.org" href="mailto:freeswitch-users@lists.freeswitch.org" target="_blank">FreeSWITCH Users Help</a>
</div>
<div style="font: 10pt arial;"><b>Sent:</b> Tuesday, April 19, 2011 10:13
AM</div>
<div style="font: 10pt arial;"><b>Subject:</b> Re: [Freeswitch-users] Help with
rxfax debug "T4 expires in phaseT30_PHASE_B_RX"</div>
<div><br></div>Is there a better way to attach logs? I am not sure if
attaching them with email is good enough.<br>Also how do i prefix uuid to
mod_spandsp logs?<br><br>
<div class="gmail_quote">On Tue, Apr 19, 2011 at 7:15 PM, Sadhika Sharma <span dir="ltr"><<a href="mailto:sadhika@gmail.com" target="_blank">sadhika@gmail.com</a>></span> wrote:<br>
<blockquote style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;" class="gmail_quote">Thanks Steve for replying,<br><br>I will explain the
problem in clearer terms. Whenever a call lands on freeswitch machine, I
exceute rxfax(). I get about 5000 fax calls every month, out of which about
800 transmissions fail due to hangup cause 548 'Disconnected after permitted
retries' Complete log is attached.
<div>
<div></div>
<div><br><br>
<div class="gmail_quote">On Tue, Apr 19, 2011 at 6:31 PM, Steve Underwood
<span dir="ltr"><<a href="mailto:steveu@coppice.org" target="_blank">steveu@coppice.org</a>></span> wrote:<br>
<blockquote style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;" class="gmail_quote">Sadhika,<br><br>If you post only a fragment of a log,
and describe only half of what<br>happens, people will generally ignore
what you post. I guess they don't<br>like being treated like they are mind
readers.<br><br>The error seems pretty clear. You aren't getting anything
from the far<br>end. Since you give no clue as to what you are doing,
beyond trying to<br>receive FAX, that's about as detailed an analysis as
you are going to get.<br><br>Steve<br>
<div><br><br>On 04/19/2011 05:43 PM, Sadhika Sharma wrote:<br>> Anybody
having any idea about this?<br>><br>> On Fri, Apr 15, 2011 at 7:36
PM, Sadhika Sharma <<a href="mailto:sadhika@gmail.com" target="_blank">sadhika@gmail.com</a><br></div>
<div>
<div></div>
<div>> <mailto:<a href="mailto:sadhika@gmail.com" target="_blank">sadhika@gmail.com</a>>> wrote:<br>><br>>
Hi,<br>><br>> I need help in debugging hangup
cause 548, 'Disconnected after<br>> permitted retries'
while attempting rxfax().<br>><br>> Logs show that T4
expires in phase T30_PHASE_B_RX.<br>> T30 PHASE B
concerns exchange of DIS/DCS messages. After sending<br>>
DIS, mod spandsp keeps waiting for DCS and exhausts its
retries.<br>><br>> Please guide me how to debug the
root cause of loss of DCS<br>> message. Logs are
mentioned below:<br>><br>> 2011-03-07 15:53:48.675180
[DEBUG] switch_ivr.c:557<br>> OpenZAP/4:1/43851609
Command Execute<br>>
rxfax(/srv/fax/in/fcf15a4c-48a4-11e0-919e-7bf53bcc3f81.tiff)<br>>
2011-03-07 15:53:53.334614 [DEBUG] mod_spandsp_fax.c:293
FLOW T.30<br>> Send complete in phase T30_PHASE_B_TX,
state 17<br>> 2011-03-07 15:53:53.335619 [DEBUG]
mod_spandsp_fax.c:293 FLOW T.30<br>> DIS:<br>>
2011-03-07 15:53:53.335619 [DEBUG] mod_spandsp_fax.c:293
FLOW<br>> T.30 .... ...0= Store and forward
Internet fax (T.37): Not set<br>> 2011-03-07
15:53:53.335619 [DEBUG] mod_spandsp_fax.c:293 FLOW<br>>
T.30 .... .0..= Real-time Internet fax (T.38): Not set<br>>
:<br>> :<br>> 2011-03-07
15:53:53.875238 [DEBUG] mod_spandsp_fax.c:293 FLOW T.30<br>>
Start T4<br>> 2011-03-07 15:53:53.895315 [DEBUG]
mod_spandsp_fax.c:293 FLOW T.30<br>> HDLC signal status
is Carrier up (-2) in state 17<br>> 2011-03-07
15:53:53.915402 [DEBUG] mod_spandsp_fax.c:293 FLOW T.30<br>>
HDLC signal status is Carrier down (-1) in state 17<br>>
2011-03-07 15:53:57.335032 [DEBUG] mod_spandsp_fax.c:293 FLOW
T.30<br>> T4 expired in phase T30_PHASE_B_RX, state
17<br>> 2011-03-07 15:53:57.335032 [DEBUG]
mod_spandsp_fax.c:293 FLOW T.30<br>> Retry number
1<br>><br>><br>> Please guide me how to debug the
root cause of loss of DCS message.<br>> Thanks,<br>>
Sadhika<br>><br>><br>><br>><br>> --<br>>
Sadhika<br>><br>><br></div></div>>
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</blockquote></div><br><br clear="all"><br></div></div>-- <br><font color="#888888">Sadhika<br></font></blockquote></div><br><br clear="all"><br>--
<br>Sadhika<br>
</div></div><p>
</p><hr><div class="im">
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<br></blockquote></div><br><br clear="all"><br>-- <br>Sadhika<br>