Hi Richard,
this command may be helpful for you.
access-list NAME1 permit tcp any4 any4 eq 5061
access-list NAME1 permit udp any4 any4 range 10000 65534
access-list NAME1 permit udp any4 any4 range 3478 3479
access-list NAME2 permit udp any4 range 10000 65534 any4
access-list NAME2 permit udp any4 range 3478 3479 any4
access-group NAME1 interface OUTSIDE in
access-group NAME2 interface INSIDE in
LOCAL---------inside_int-OO-outside_int----------INTERNET
You can change any4 with your ip range. any4 statement refer to ipv4 addressses.
Best regards.