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Thread: T38Modem/OPAL/PWLib - No Route!




T38Modem/OPAL/PWLib - No Route!
country flaguser name
Ireland
2007-11-09 05:15:25
Hi All,

I am currently running the following editions t38modem,
opal, pwlib and
hylafax+.

t38modem	CVS - 4 Oct 2007 with the following patch
h
ttp://www.spinics.net/lists/openh323/msg17471.html
pwlib		CVS - 4 Oct 2007
opal		CVS - 21 May 2007
hylafax+        5.1.10

If I submit multiple faxes to multiple destinations I get
some that go
through successfully, and after the first
"failure" t38modem reports no
route to host on all ocasions.

For example, i run the following fax submission sequence:

for number in NUMBER_1 NUMBER_2 NUMBER_3 
              NUMBER_1 NUMBER_2 NUMBER_3; do
  /opt/hylafax/bin/sendfax -n -T 5 -o root -h t38127.0.0.1
 
  -f "bruce.mcalisterblueface.ie"  -e
"Blueface Ltd" 
  -u "NUMBER_5"  -F "From: Bruce
McAlister|%c|Page %%p of %%t" 
  -d $number  "/etc/hosts"
done

This just submits the same job to 3 different numbers
twice.

I have t38modem started up as follows:

t38modem -ttttt 
         -o /var/log/t38modem.log 
         --no-h323 
         --sip-listen 'udp$10.7.0.70:5061' 
         --sip-old-asn 
         --h245tunneldisable 
         --route 'modem:.*=sip:3*4<dn>10.7.0.10,sip:.*=modem:<dn>' 
         -p ttyp0,ttyp1,ttyp2,ttyp3,ttyp4, 
            ttyp5,ttyp6,ttyp7,ttyp8,ttyp9, 
            ttypa,ttypb,ttypc,ttypd,ttype,ttypf

The output on the console when these jobs are being sent is
as follows:

------------------------------------------------------------
----------
2007/11/09 10:40:47.045     T38Modem    PWLib   File handle
high water
Mark set: 7 PTextFile
T38Modem Version 1.0.0
 by OpenH323 Project on Unix SunOS 5.10
(Generic_125101-10-i86pc)

Disabled H.323 protocol
Waiting for incoming SIP calls from udp$10.7.0.70:5061
Route table:
  modem:.*=sip:3*4<dn>10.7.0.10
  sip:.*=modem:<dn>
Call[1] from modem:NUMBER_5 to NUMBER_1, route to
sip:NUMBER_110.7.0.10
Call[2] from modem:NUMBER_5 to NUMBER_2, route to
sip:NUMBER_210.7.0.10
Call[3] from modem:NUMBER_5 to NUMBER_3, route to
sip:NUMBER_310.7.0.10
Call[4] from sip:NUMBER_610.7.0.10 to NUMBER_3,
route to modem:NUMBER_3
Open AudioModemMediaStream-Source-PCM-16 for Call[2]
Open OpalRTPMediaStream-Sink-G.711-uLaw-64k for Call[2]
Open OpalRTPMediaStream-Source-G.711-uLaw-64k for Call[2]
Open AudioModemMediaStream-Sink-PCM-16 for Call[2]
Open AudioModemMediaStream-Source-PCM-16 for Call[1]
Open OpalRTPMediaStream-Sink-G.711-uLaw-64k for Call[1]
Open OpalRTPMediaStream-Source-G.711-uLaw-64k for Call[1]
Open AudioModemMediaStream-Sink-PCM-16 for Call[1]
Close AudioModemMediaStream-Source-PCM-16
Close AudioModemMediaStream-Sink-PCM-16
Close OpalRTPMediaStream-Sink-G.711-uLaw-64k
Close OpalRTPMediaStream-Source-G.711-uLaw-64k
Open T38ModemMediaStream-Source-T.38-IFP-PRE for Call[2]
Open OpalRTPMediaStream-Sink-T.38-IFP-PRE for Call[2]
Open OpalRTPMediaStream-Source-T.38-IFP-PRE for Call[2]
Open T38ModemMediaStream-Sink-T.38-IFP-PRE for Call[2]
Close T38ModemMediaStream-Source-T.38-IFP-PRE
Close T38ModemMediaStream-Sink-T.38-IFP-PRE
Close OpalRTPMediaStream-Sink-T.38-IFP-PRE
Close OpalRTPMediaStream-Source-T.38-IFP-PRE
Open AudioModemMediaStream-Source-PCM-16 for Call[2]
Open OpalRTPMediaStream-Sink-G.711-uLaw-64k for Call[2]
Open OpalRTPMediaStream-Source-G.711-uLaw-64k for Call[2]
Open AudioModemMediaStream-Sink-PCM-16 for Call[2]
Close OpalRTPMediaStream-Sink-G.711-uLaw-64k
Close OpalRTPMediaStream-Source-G.711-uLaw-64k
Close AudioModemMediaStream-Source-PCM-16
Close AudioModemMediaStream-Sink-PCM-16
Call[2] cleared
Open AudioModemMediaStream-Source-PCM-16 for Call[3]
Open OpalRTPMediaStream-Sink-G.711-uLaw-64k for Call[3]
Open OpalRTPMediaStream-Source-G.711-uLaw-64k for Call[3]
Open AudioModemMediaStream-Sink-PCM-16 for Call[3]
Call[4] cleared
Call[5] from modem:NUMBER_5 to NUMBER_2, no route!
Call[5] cleared
Call[6] from sip:NUMBER_710.7.0.10 to NUMBER_3, no
route!
Call[6] cleared
Close OpalRTPMediaStream-Sink-G.711-uLaw-64k
Close OpalRTPMediaStream-Source-G.711-uLaw-64k
Close AudioModemMediaStream-Source-PCM-16
Close AudioModemMediaStream-Sink-PCM-16
Call[3] cleared
Call[7] from modem:NUMBER_5 to NUMBER_3, no route!
Call[7] cleared
Call[8] from modem:NUMBER_5 to NUMBER_2, no route!
Call[8] cleared
Call[9] from modem:NUMBER_5 to NUMBER_1, no route!
Call[9] cleared
Call[10] from modem:NUMBER_5 to NUMBER_3, no route!
Call[10] cleared
Call[11] from modem:NUMBER_5 to NUMBER_2, no route!
Call[11] cleared
------------------------------------------------------------
----------

If I submit these jobs individually, one after the other,
and, after
each one has completed then t38modem behaves as expected,
ie, all fax
transmissions and receptions are successfull. Howerver, when
multiple
jobs are sent/recieved concurrently then we get this no
route problem.

Is there something wrong with the threading within t38modem
that could
cause this? Is this a t38modem issue or is it related to
opal/pwlib?

Any help/suggestions would be greatly appreciated.

If you require any additional info, please dont hesitate to
ask.

PS: On a side note, how can i go about subscribing to this
mailing list,
I read the faq at voxgratia but it only references the
developers list,
where is the list subscription page for general or users?

Thanks
Bruce


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