About asterisk firewall/nat issue (PROBLEM SOLVED)

I want to thank a person named Dr Who in this forum who help me a lot in solving this issue. Definitely, the firewalls and the NAT are a big and tricky problem. Ypu have to take time to digest the information, understand it and then applied it. This takes some time. Specially for a the newbies.

Once again thanks for him and every body who answer my post.

David Medina