Hi,

I have tried to use the latest snapshots of SpanDSP to make T38 
termination work.

I managed to compile everything. The whole thing requires some 
modifications to configure.ac, codec_g.726 (conflicts with new spandsp) 
and of course, app_txfax and app_rxfax.

I have managed to get some results. In particular:
No fax received.
Only 1 fax transmitted (great result!)

I have collected some logs here: http://projects.navynet.it/t38/1/

File tx2-ok is the log of the only one which worked well.

Now, I do not have the background to understand what is going wrong, but 
it seems to me that udptl OR spandsp does not manage very well sequence 
numbers.

Do you have any hints ?

Thanks,
  Max

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