[Freeswitch-users] Help with rxfax debug "T4 expires in phase T30_PHASE_B_RX"

[Sadhika Sharma]

Is there a better way to attach logs? I am not sure if attaching them with
email is good enough.
Also how do i prefix uuid to mod_spandsp logs?

On Tue, Apr 19, 2011 at 7:15 PM, Sadhika Sharma <sadhika at gmail.com> wrote:

> Thanks Steve for replying,
>
> 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.
>
>
> On Tue, Apr 19, 2011 at 6:31 PM, Steve Underwood <steveu at coppice.org>wrote:
>
>> Sadhika,
>>
>> If you post only a fragment of a log, and describe only half of what
>> happens, people will generally ignore what you post. I guess they don't
>> like being treated like they are mind readers.
>>
>> The error seems pretty clear. You aren't getting anything from the far
>> end. Since you give no clue as to what you are doing, beyond trying to
>> receive FAX, that's about as detailed an analysis as you are going to get.
>>
>> Steve
>>
>>
>> On 04/19/2011 05:43 PM, Sadhika Sharma wrote:
>> > Anybody having any idea about this?
>> >
>> > On Fri, Apr 15, 2011 at 7:36 PM, Sadhika Sharma <sadhika at gmail.com
>> > <mailto:sadhika at gmail.com>> wrote:
>> >
>> >     Hi,
>> >
>> >     I need help in debugging hangup cause 548, 'Disconnected after
>> >     permitted retries' while attempting rxfax().
>> >
>> >     Logs show that T4 expires in phase T30_PHASE_B_RX.
>> >     T30 PHASE B concerns exchange of DIS/DCS messages. After sending
>> >     DIS, mod spandsp keeps waiting for DCS and exhausts its retries.
>> >
>> >     Please guide me how to debug the root cause of loss of DCS
>> >     message. Logs are mentioned below:
>> >
>> >     2011-03-07 15:53:48.675180 [DEBUG] switch_ivr.c:557
>> >     OpenZAP/4:1/43851609 Command Execute
>> >     rxfax(/srv/fax/in/fcf15a4c-48a4-11e0-919e-7bf53bcc3f81.tiff)
>> >     2011-03-07 15:53:53.334614 [DEBUG] mod_spandsp_fax.c:293 FLOW T.30
>> >     Send complete in phase T30_PHASE_B_TX, state 17
>> >     2011-03-07 15:53:53.335619 [DEBUG] mod_spandsp_fax.c:293 FLOW T.30
>> >     DIS:
>> >     2011-03-07 15:53:53.335619 [DEBUG] mod_spandsp_fax.c:293 FLOW
>> >     T.30   .... ...0= Store and forward Internet fax (T.37): Not set
>> >     2011-03-07 15:53:53.335619 [DEBUG] mod_spandsp_fax.c:293 FLOW
>> >     T.30   .... .0..= Real-time Internet fax (T.38): Not set
>> >     :
>> >     :
>> >     2011-03-07 15:53:53.875238 [DEBUG] mod_spandsp_fax.c:293 FLOW T.30
>> >     Start T4
>> >     2011-03-07 15:53:53.895315 [DEBUG] mod_spandsp_fax.c:293 FLOW T.30
>> >     HDLC signal status is Carrier up (-2) in state 17
>> >     2011-03-07 15:53:53.915402 [DEBUG] mod_spandsp_fax.c:293 FLOW T.30
>> >     HDLC signal status is Carrier down (-1) in state 17
>> >     2011-03-07 15:53:57.335032 [DEBUG] mod_spandsp_fax.c:293 FLOW T.30
>> >     T4 expired in phase T30_PHASE_B_RX, state 17
>> >     2011-03-07 15:53:57.335032 [DEBUG] mod_spandsp_fax.c:293 FLOW T.30
>> >     Retry number 1
>> >
>> >
>> >     Please guide me how to debug the root cause of loss of DCS message.
>> >     Thanks,
>> >     Sadhika
>> >
>> >
>> >
>> >
>> > --
>> > Sadhika
>> >
>> >
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>>
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>
>
>
> --
> Sadhika
>



-- 
Sadhika
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