[Freeswitch-users] T38 unsuccessful: result (48) Disconnected after permitted retries

[Steve Underwood]

On 06/16/2010 07:44 PM, samuel wrote:
> I'm trying yo know what the remote end point brand/model/firmware/??? 
> is but I could not get this information yet.
> The other point says that after the T.38 SDP negotiation, there must 
> be a "negotiation" (after the ACK of the T38 renegotiation there must 
> be an exchange of Send preamble; DIS (and later DCS) that never 
> happens...) and freeswitch does not start it and that is why the 
> transmission results in a call drop after 25 seconds.
>
>
> Thank you very much for your answers so far,
> Samuel

So far you have kept that much secret. What you supplied was only the 
very last stages of a call log, where Freeswitch seems to be output the 
messages it should, but gets nothing in return.

Steve