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Same thing happens with both versions of spandsp: the call starts, the
T.38 session is successfully established, and then Callweaver correctly
sends CED, v21-preamble, CSI, DIS, no-signal. The other side however
just sends CNG, and eventually times out and sends a DCN.
You're going through a NAT. Does the other side actually get any
RTP/T.38 traffic coming from Callweaver? If you make a normal call, do
you get two-way voice?
Also you're setting various fax-related variables (LOCALSTATIONID,
LOCALHEADERINFO). Try without them.
Finally, try to Answer() the call, Wait(4) seconds or so, then RxFAX().
Maybe the other side doesn't like us starting too early?
Damjan
On Mon, 2008-01-21 at 00:42 -0800, Frank Liu wrote:
> Just tried the latest spandsp snapshot and recompiled the callweaver.
> Same error on the CLI screen. New "full" log and tcpdump can be found at
> http://timepassindia.com/faxtroublenew.zip
> Again, to view tcpdump capture, make sure to decode port 8000 as SIP.
>
> Thanks!
> Frank
>
> On Jan 20, 2008 9:32 PM, Damjan Jovanovic <[EMAIL PROTECTED]> wrote:
> > Use the latest snapshot of spandsp from
> > http://www.soft-switch.org/downloads/snapshots/spandsp/, it is currently
> > version 20080110. A number of bugs have been fixed since the version
> > you're using, 0.0.4pre16. Remember to recompile callweaver after
> > changing spandsp.
> >
> > Start the tcpdump before the fax starts and stop it after the call is
> > over. The one you sent is useless, there is no SIP in it at all.
> >
> >
> > On Sun, 2008-01-20 at 10:54 -0800, Frank Liu wrote:
> > > Here it is
> > > http://timepassindia.com/t38troubleshoot.zip
> > >
> > > On Jan 20, 2008 10:32 AM, CtRiX <[EMAIL PROTECTED]> wrote:
> > > > Frank Liu wrote:
> > > > > fax is failed.
> > > > > btw, I have spandsp-0.0.4-0.8.pre16
> > > > >
> > > > >
> > > > See Trobleshooting at
> > > > http://www.callweaver.org/wiki/Faxing+With+CallWeaver
> > > >
> > > > Max
> > > >
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Callweaver-dev mailing list
> > > > [email protected]
> > > > http://lists.callweaver.org/mailman/listinfo/callweaver-dev
> > > >
> > > _______________________________________________
> > > Callweaver-dev mailing list
> > > [email protected]
> > > http://lists.callweaver.org/mailman/listinfo/callweaver-dev
> >
> > Damjan
> >
> >
> >
> > _______________________________________________
> > Callweaver-dev mailing list
> > [email protected]
> > http://lists.callweaver.org/mailman/listinfo/callweaver-dev
> >
> _______________________________________________
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