On 2010-06-22 15:16, Remco Bressers wrote: > On 06/22/2010 02:51 PM, Johann Steinwendtner wrote: >> On 2010-06-22 12:36, Remco Bressers wrote: >>> Dear list, >>> >>> I've got the following setup : >>> >>> [FAX-ATA]--[PBX LAN]--[Firewall]--[PBX WAN]-----[upstream SIP] >>> >>> On the PBX's we run Asterisk 1.4.33 with t38pt_udptl=yes in [general]. >>> The FAX ATA is a Teles VoIPBox with T.38 support (that works). On the >>> PBX WAN, i see the following in udptl debug : >>> >>> Sent UDPTL packet to 172.16.0.156:4460 (type 0, seq 184, len 32) >>> Got UDPTL packet from 62.180.xx.xx:36170 (type 0, seq 0, len 32) >>> Sent UDPTL packet to 172.16.0.156:4460 (type 0, seq 185, len 32) >>> Got UDPTL packet from 62.180.xx.xx:36170 (type 0, seq 0, len 32) >>> Sent UDPTL packet to 172.16.0.156:4460 (type 0, seq 186, len 32) >>> Got UDPTL packet from 62.180.xx.xx:36170 (type 0, seq 0, len 29) >>> >>> This means my outgoing udptl traffic is correctly translated, but >>> somehow i'm sending 172.16.0.156 instead of my public IP address on the >>> firewall. >>> >> >> >> Did you try t38pt_usertpsource=yes ? >> > > Hi, > > Yes, i tried adding that to the SIP peer configuration for the FAX ATA. > Should i put it on the PBX trunk configuration also?? > > Remco > Yes.
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