You need to enable t38-passthru when you want FS to forward the T38 reinvite from a leg to anothern. David Ponzone Direction Technique email: david.ponzone@ipeva.fr tel: 01 74 03 18 97 gsm: 06 66 98 76 34 Service Client IPeva tel: 0811 46 26 26 www.ipeva.fr - www.ipeva-studio.com Ce message et toutes les pièces jointes sont confidentiels et établis à l'intention exclusive de ses destinataires. Toute utilisation ou diffusion non autorisée est interdite. Tout message électronique est susceptible d'altération. IPeva décline toute responsabilité au titre de ce message s'il a été altéré, déformé ou falsifié. Si vous n'êtes pas destinataire de ce message, merci de le détruire immédiatement et d'avertir l'expéditeur. Le 30/06/2011 à 21:25, Spencer Thomason a écrit :
Just a quick follow up. The fact that the reINVITE wasn't being passed correctly across the bridge was pilot error.. I had enable-soa=false on the profile. I am however a little confused as when to use the t38-passthru parameter. Is it needed even when doing bypass media or proxy media?
On Jun 30, 2011, at 11:40 AM, Spencer Thomason wrote:
Hello all, I have a few questions regarding the t38-passthru sofia param. One of the ways we are using FreeSWITCH is as a simple B2BUA in our SBCs. The topology looks like this:
Freeswitch /\ \/ FS and Asterisk boxen -> OpenSIPS -> PSTN
The Freeswitch instance is setup with inbound late negotiation and bypass media = true and the dialplan consists of a very simple bridge statement that sends a call back to the proxy.
The problem is that when someone sends a fax and the GW send a t.38 reINVITE, Freeswitch is sending the original SDP (PCMU in this case) back to Leg A and the fax then fails using PCMU. Is this parameter needed when bypass media is already enabled?
Thanks, Spencer
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