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