ip access-list extended dmz
permit tcp any host 10.15.89.254 eq 22
permit udp any host 10.15.89.254 eq 5060
permit tcp any host 10.15.89.254 eq 5060
permit udp any host 10.15.89.254 range 10048 19968
ip access-list extended nat-inbound
permit udp host 10.15.89.254 range 10048 19968 any