[Freeswitch-users] T.38/fax problem

[Brian West]

You forgot some of the most critical parts of the info needed.  Its a Cisco, but What model? What firmware?  What rev of freeswitch?



On Oct 17, 2012, at 9:02 AM, Marcin Gozdalik wrote:

> Hi
> 
> I'm trying to send a fax from FreeSWITCH using T.38 (via Cisco SIP gateway)
> to a remote fax. It fails with some cryptic messages:
> 
> 2012-10-17 15:51:30.467990 [DEBUG] mod_spandsp_fax.c:286 FLOW T.30 T4A
> expired in phase T30_PHASE_D_RX, state 27. An HDLC frame lasted
> too long.
> 2012-10-17 15:51:30.467990 [DEBUG] mod_spandsp_fax.c:286 FLOW T.30 Status
> changing to 'The HDLC carrier did not stop in a timely manne
> r'
> 2012-10-17 15:51:30.467990 [DEBUG] mod_spandsp_fax.c:286 FLOW T.30
> Disconnecting
> 2012-10-17 15:51:30.467990 [DEBUG] mod_spandsp_fax.c:286 FLOW T.30 Changing
> from phase T30_PHASE_D_RX to T30_PHASE_E
> 
> I do have full SIP/RTP dump of such a call if it is of any interest. It
> seems to be a peculiar interoperability issue, as this setup is used as a
> email2fax/fax2email gateway and it works quite well.
> 
> Could anybody recommend any steps I could try to debug/fix the issue?
> 
> Best regards
> 
> -- 
> Marcin Gozdalik

--
Brian West
brian at freeswitch.org
FreeSWITCH Solutions, LLC
PO BOX PO BOX 2531
Brookfield, WI 53008-2531

Twitter: @FreeSWITCH_Wire
http://freeswitchcookbook.com
http://freeswitchbook.com

T: +1.213.286.0410  |  F: +1.213.286.0401  |  M: +1.918.424.WEST
iNUM: +883 5100 1286 0410

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20121018/09fdcd79/attachment-0001.html