... 1 Embedded NGX 7.5 Release Notes General Availability Version March 2008 – Document Revision 11 10 This feature ... Protocol), the popular signaling protocol commonly used for IP telephony (VoIP). This ALG enables easy NAT and Firewall traversal. Note: 1. Embedded NGX 7.5 supports SIP over UDP. SIP over TCP ... mode. Routing Table Report Embedded NGX 7.5 includes a new Routing Table report, providing an easy view of the routing table currently in effect. The table shows the route's source,...