From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Florian Fuessl" Subject: T.38 FAX support via nf_nat_sip,nf_conntrack_sip Date: Mon, 28 Sep 2009 19:10:24 +0200 Message-ID: <002401ca405e$91c4ae90$b54e0bb0$@de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Return-path: Received: from mail04.viruscheckservice.de ([80.73.96.84]:51210 "EHLO mail04.viruscheckservice.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752433AbZI1RRB (ORCPT ); Mon, 28 Sep 2009 13:17:01 -0400 Content-Language: de Sender: netfilter-devel-owner@vger.kernel.org List-ID: Hi, T.38 FAX support via nf_nat_sip,nf_conntraack_sip does currently not seem to work, because the REINVITE for the codec change is not handled correctly at the moment (Figure: Fax Pass-Through and Call Flow diagram i.e. at http://docwiki.cisco.com/wiki/Cisco_IOS_Voice_Troubleshooting_and_Monitoring _--_Fax_Call_Flow ) Do you have an idea how to patch this problem? -Florian