Quote Originally Posted by mbnb View Post

...I got tired of messing around with the port forwarding settings so I went with the second suggestion. I then made several test calls inbound and outbound and so far so good *crosses fingers*...
You should be good with your ATA in front of your router, but when you were messing with forwarding ports, did you restart ALL the devices after a change and start them in the correct order (cable modem, router, and ATA -waiting 1 minute between each device).