Hello,
I use Asterisk 13.1 with a SIP trunk with a provider
When transmitting or receiving a fax in T.38 through the trunk with the
provider I always get this warning:
WARNING [8204]: udptl.c: 852 calculate_far_max_ifp: UDPTL (no tag): Can not
calculate far_max_ifp before far_max_datagram has been set
After the warning begins exchanging packets UDPTL, but all with sequence number
0 or 256.
The fax is not properly transmitted or received.
I configured the trunk as follow:
t38_udptl = yes
t38_udptl_ec = redundancy
t38_udptl_maxdatagram = 400
How can I fix the problem?
Thank You
Marco
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