[asterisk-users] UDPTL T38 via NAT

[marek cervenka]

> 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.

try asterisk 1.6.2.9


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Marek Cervenka
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