On 28/12/2012 5:45 AM, Eric Wieling wrote:
udptl.conf settings:
[general]
udptlstart=4000
udptlend=4998
udptlchecksums=no
udptlfecentries = 3
udptlfecspan = 3
use_even_ports = yes
T38FaxUdpEC = t38UDPRedundancy
T38FaxMaxDatagram = 400
sip.conf settings:
directmedia=yes
faxdetect = no
t38pt_udptl=yes,redundancy,maxdatagram=400
From memory when I was doing this in March 2011 Asterisk would not
allow a T.38 connection to successfully establish when canreinvite was
set to yes, I did have NAT involved in my testing hence T.38 would be
successful when canreinvite=no, the options to use now seeing as
canreinvite is deprecated are;
directmedia=no
direcrtpsetup=no
The T38Fax... options you have in udptl.conf are no longer supported.
I have the T.38 Fax Gateway patch applied to my installation of 1.8.18.1
though I don't believe this will make any difference as I had got my
T.38 relaying working prior to the patch.
I have in my sip.conf;
[general]
t38pt_udptl=yes,redundancy,maxdatagram=1400
You may also want to enable;
t38pt_usertpsource=yes
Larry.
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