Tim: >> If you want to run any server that accepts connections through your >> firewall, you need to open ports through it, and possibly forward ports >> through. It depends on the system, some modem/routers don't act as a >> firewall, some aren't enabled, some will try to automatically route >> connections through (I've seen one that uses NAT, and does that for >> you). Michael Wiktowy: > That is the whole reason for STUN AFAIK. It uses a STUN server on the > outside of the firewall to negotiate a path back to two peers that are > behind a NAT firewall using the inherent NAT inner workings so that > the peers can talk to each other directly. Yes, that's what you do with "clients", I was talking about running "servers". > http://en.wikipedia.org/wiki/STUN > All SIP providers and clients that I have experience with use this > method for accepting calls through a NAT withtou having to administer > the NAT firewall. GTalk (jingle/jabber based) also uses this method. As I'd said previously. -- (Currently testing FC5, but still running FC4, if that's important.) Don't send private replies to my address, the mailbox is ignored. I read messages from the public lists.