Hello, I've been trying hard to get inbound T.38 faxing to work with a SIP trunk provider in Canada.
I was using spandsp 0.0.3pre27, upgraded to the latest snapshot in the
hopes that that would work.
I've attached full log w/udptl debug and rxfax(debug), please review and
advise with suggestions or requests for further information.
Call flow (SIP)
---------------
PSTN -> Verso Clarent C5CM -> OpenPBX 1.2 RC3 (spandsp/rxfax)
sip.conf
--------
t38udptlsupport=yes
t38pt_udptl=yes
t38pt_rtp=yes
t38pt_tcp=yes
; also tried with canreinvite=yes
canreinvite=no
extensions.conf
---------------
exten => s,n,RxFAX(${FAXFILE}|debug)
full log (udptl debug, sip debug)
--------
Mar 25 21:21:29 DEBUG[2984328112] app_rxfax.c: Got hangup
Mar 25 21:21:29 DEBUG[2984328112] app_rxfax.c:
==============================================================================
Mar 25 21:21:29 DEBUG[2984328112] app_rxfax.c: Fax receive not successful -
result (42) Unexpected DCN while waiting for image data.
Mar 25 21:21:29 DEBUG[2984328112] app_rxfax.c:
==============================================================================
Mar 25 21:21:29 DEBUG[2984328112] app_rxfax.c: FLOW T.30 Changing from state 2
to 30
Mar 25 21:21:29 DEBUG[2984328112] app_rxfax.c: FLOW T.30 Changing from phase
T30_PHASE_E to T30_PHASE_CALL_FINISHED
Mar 25 21:21:29 DEBUG[2984328112] app_rxfax.c: FLOW T.38T Set rx type 13
Mar 25 21:21:29 DEBUG[2984328112] app_rxfax.c: FLOW T.38T Set tx type 13
Mar 25 21:21:29 DEBUG[2984328112] app_rxfax.c: FLOW T.38T FAX exchange complete
---
Best regards,
Iain
opbx_faxdump.txt.gz
Description: Binary data
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