Quote Originally Posted by ralfaro View Post
I asked that same question and was told that there were basically NAT issues but the ultimate solution was to use stun. It wa a weird probelm because it only was an issue when calling certain numbers and those numbers happened to be running GrandStreams and the issue only started when I switched from a GrandStream to a pap2t. It took them a while to figure it out so it would be interesting if someone could give some detailed info on what exactly it was and how they fixed it.

RA
Thanks for the explanation, although I am "stunned" by the response.....lol