Hi, I am attempting to get the H323 nat module working. Specifically I want to pass MGCP VoIP traffic, not H323, but I believe that the H323 module should do the job. I am using a 2.4.28 kernel, with iptables 1.2.9, and patch-o-matic-20031219. I am also using the transparent proxy patches(TPROXY), and serveral other NAT helpers(ftp, tftp, pptp, proto_gre). Without the h323 patch the call is established, and the RTP stream passes out successful and reaches the external port of the machine but is never forwarded to the client. Hanging up the phone correct dismantels the calls as well. I added the h323 module and loaded it using 'modprobe ip_nat_h323', and got not change in the behaviour. I have turned debugging on in the h323 module, and see no messages aside from an successful initialization message that I added. Is there something I have missed? Does anyone have a suggestion about what my next step should be? Thanks for any help that you can give me. (P.S.: I have also modified the h323 module's call to ip_nat_setup_info to work correctly with tproxy) Andrew Cant Developer LogiSense Corporation "IP Billing and Traffic Management" e: acant@xxxxxxxxxxxxx p: 1-519-249-0508 x4108 w: www.logisense.com weblog: http://blog.logisense.com forum: https://ssl.logisense.com/support/forum