I'm sure it won't work because we only implemented forwarding t38 with invite<br>it would require adding code to say the least.<br><br><br><div class="gmail_quote">On Fri, Oct 16, 2009 at 9:35 AM, Peter P GMX <span dir="ltr"><<a href="mailto:Prometheus001@gmx.net">Prometheus001@gmx.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hello Michael<br>
<br>
this is a productive system, so I can currently not update to the<br>
current trunk.<br>
But the installed SVN is 14741. Were those changes after 14741? Then<br>
I'll try to find a timeslot at night in order to update freeswitch.<br>
<br>
But Freeswitch should forward the UPDATE request in proxy-media mode, right?<br>
<br>
Best regards<br>
Peter<br>
<br>
Michael Jerris schrieb:<br>
<div><div></div><div class="h5">> There was just a bunch of work on UPDATE, can you confirm this is the<br>
> same behavior with trunk?<br>
><br>
> On Oct 14, 2009, at 6:55 AM, Peter P GMX wrote:<br>
><br>
><br>
>> Hello,<br>
>><br>
>> we have the following problem.<br>
>> 2 Fax machines are communicating via Freeswitch. One is externally<br>
>> attached via a Telco who is able to handle T.38. The other one is<br>
>> attached locally.<br>
>><br>
>> When 2 Fax machines start syncing each other, the Telco sends a SIP<br>
>> UPDATE message with T.38 SDP, as it detects fax during the fax<br>
>> negociations.<br>
>> Freeswitch answers with an SIP OK message back to the telco, and I can<br>
>> see the T.38 SDP on the debug console of freeswitch.<br>
>> Then nothing happens any more until one of fax machines detects<br>
>> timeout.<br>
>><br>
>> We have set proxy-media to true. However is was done during call setup<br>
>> when both machines communicated with G711 SDP.<br>
>> The UPDATE message was commited by FS to the telco, but was not sent<br>
>> to<br>
>> the other fax, so I think in this case Freeswitch is supposed to<br>
>> transcode between T.38 and G711 which it cannot do, as we know.<br>
>><br>
>> How can I overcome this scenario? Is this a defect, should freeswitch<br>
>> send the UPDATE message to the other fax? Or is there a workaround?<br>
>><br>
>> Best regards<br>
>> Peter<br>
>><br>
><br>
><br>
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