Quote Originally Posted by sr98user View Post
Mine is a port restricted cone NAT and I don't have STUN server set. Everthing is fine here.

You can use jstun to figure out what kind of NAT you have. You can download it from http://jstun.javawi.de/. Download the jar file and run it has "java -jar jstun-0.7.1.jar".
Neat little program....Thanks..

My ATAs are behind the router and after the testing procedure, this is the result......

FINE: Node is behind a port restricted NAT.