anything is possible..... until you are more specific. H323 is possible but with patches. RogerWilko works with a single port forward... anything your refering to? -----Original Message----- From: Jochen Vogel [mailto:jvogel@xxxxxxxxx] Sent: Wednesday, June 04, 2003 7:10 PM To: netfilter@xxxxxxxxxxxxxxxxxxx Subject: netfilter and VoIP hi, is it possible to use VoIP over an routed and/or masquerading iptables gateway? thx for help jo