[Freeswitch-users] T38 unsuccessful: result (48) Disconnected after permitted retries

[samuel]

last one...I created the local git version a few hours ago...

On 15 June 2010 17:08, Michael Jerris <mike at jerris.com> wrote:

> what actual version is this?  seems that its cut off.
>
> Mike
>
> On Jun 15, 2010, at 8:03 AM, samuel wrote:
>
> > hi all,
> >
> > recently testing T.38 unsuccesfully with freeswitch head version
> (FreeSWITCH Version 1.0.head (git-) ) on a testing server
> (2.6.26-2-xen-amd64)
> >
> > remote SDP:
> >
> > v=0
> > o=root 6039 6040 IN IP4 A.B.C.D
> > s=session
> > c=IN IP4 A.B.C.D
> > t=0 0
> > m=image 19423 udptl t38
> > a=T38FaxVersion:0
> > a=T38MaxBitRate:9600
> > a=T38FaxFillBitRemoval:0
> > a=T38FaxTranscodingMMR:0
> > a=T38FaxTranscodingJBIG:0
> > a=T38FaxRateManagement:transferredTCF
> > a=T38FaxMaxBuffer:72
> > a=T38FaxMaxDatagram:72
> > a=T38FaxUdpEC:t38UDPRedundancy
> >
> > freeswitch answer:
> > v=0
> > o=FreeSWITCH 1276579579 1276579581 IN IP4 W.X.Y.Z
> > s=FreeSWITCH
> > c=IN IP4 W.X.Y.Z
> > t=0 0
> > m=image 22230 udptl t38
> > a=T38FaxVersion:0
> > a=T38MaxBitRate:14400
> > a=T38FaxFillBitRemoval
> > a=T38FaxRateManagement:transferredTCF
> > a=T38FaxMaxBuffer:2000
> > a=T38FaxMaxDatagram:400
> > a=T38FaxUdpEC:t38UDPRedundancy
> > a=T38VendorInfo:0 0 0
> >
> >
> > some debug:
> > 2010-06-15 13:37:13.234961 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30 T4
> expired in phase T30_PHASE_B_RX, state 17
> > 2010-06-15 13:37:13.234961 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30 Too
> many retries. Giving up.
> > 2010-06-15 13:37:13.234961 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30
> Changing from phase T30_PHASE_B_RX to T30_PHASE_D_TX
> > 2010-06-15 13:37:13.234961 [DEBUG] mod_spandsp_fax.c:271 FLOW T.38T Set
> rx type 0
> > 2010-06-15 13:37:13.234961 [DEBUG] mod_spandsp_fax.c:271 FLOW T.38T Set
> tx type 4
> > 2010-06-15 13:37:13.234961 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30
> Changing from state 17 to 3
> > 2010-06-15 13:37:13.234961 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30 Tx:
>  DCN with final frame tag
> > 2010-06-15 13:37:13.234961 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30 Tx:
>  ff 13 fa
> > 2010-06-15 13:37:14.406960 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30 Send
> complete in phase T30_PHASE_D_TX, state 3
> > 2010-06-15 13:37:14.406960 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30 Send
> complete in phase T30_PHASE_D_TX, state 3
> > 2010-06-15 13:37:14.406960 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30
> Disconnecting
> > 2010-06-15 13:37:14.406960 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30
> Changing from phase T30_PHASE_D_TX to T30_PHASE_E
> > 2010-06-15 13:37:14.406960 [DEBUG] mod_spandsp_fax.c:271 FLOW T.38T Set
> rx type 0
> > 2010-06-15 13:37:14.406960 [DEBUG] mod_spandsp_fax.c:271 FLOW T.38T Set
> tx type 1
> > 2010-06-15 13:37:14.406960 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30
> Changing from state 3 to 2
> > 2010-06-15 13:37:15.634931 [DEBUG] mod_spandsp_fax.c:271 FLOW T.30 Send
> complete in phase T30_PHASE_E, state 2
> > 2010-06-15 13:37:15.634931 [DEBUG] mod_spandsp_fax.c:301
> ==============================================================================
> > 2010-06-15 13:37:15.634931 [DEBUG] mod_spandsp_fax.c:313 Fax processing
> not successful - result (48) Disconnected after permitted retries.
> > 2010-06-15 13:37:15.634931 [DEBUG] mod_spandsp_fax.c:318 Remote station
> id:
> > 2010-06-15 13:37:15.634931 [DEBUG] mod_spandsp_fax.c:319 Local station
> id:  SpanDSP Fax Ident
> > 2010-06-15 13:37:15.634931 [DEBUG] mod_spandsp_fax.c:320 Pages
> transferred: 0
> > 2010-06-15 13:37:15.634931 [DEBUG] mod_spandsp_fax.c:322 Total fax pages:
>   0
> > 2010-06-15 13:37:15.634931 [DEBUG] mod_spandsp_fax.c:323 Image
> resolution:  0x0
> > 2010-06-15 13:37:15.634931 [DEBUG] mod_spandsp_fax.c:324 Transfer Rate:
>   14400
> > 2010-06-15 13:37:15.634931 [DEBUG] mod_spandsp_fax.c:326 ECM status
>   off
> >
> > I've starting learning about T3X and freswitch so I would like whether
> someone can point me to any doc or any configuration parameter that can
> solve the issue or at least debug it.
>
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