Hi, I have a VOIP setup with some Cisco 7940G IP phones registering with a external Voip provider, I don't have a Call Manager, I'm using an OpenSource firewall (PFSense) with SIPROXd to eliminate the Nat problem between my Ip phones and the provide...

 Hi, I need to establish an Ipsec connection between two sites but they need to have different IPs for the inbound and outbound traffic, so we have to get out using an external IP address and the other site have to establish the VPN pointing out to a...