# Your inet interface
ext = de0
int = de1
# SIP (TCP)
voip_tcp = "5060:5063"
# SIP, IAX2, IAX, RTP, MGCP (UDP)
voip_udp = "{5060:5063, 10000:20000}"
nat on $ext from $int:network to any -> ($ext)
rdr on $ext proto tcp from any to any port 22 -> 172.16.0.3
rdr on $ext proto tcp from any to 69.194.84.116 port $voip_tcp -> 172.16.0.3
rdr on $ext proto udp from any to 69.194.84.116 port $voip_udp -> 172.16.0.3
pass in quick on $ext proto tcp from any to 172.16.0.3 port $voip_tcp keep state
pass in quick on $ext proto udp from any to 172.16.0.3 port $voip_udp keep state
pass in on $ext proto tcp from any to 172.16.0.3 port 22 flags S/SA synproxy state
pass out on $ext inet proto tcp all flags S/SA keep state
pass out on $ext proto udp all keep state