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 If you need to set the system to listen to more than one SIP port (e.g. 5060 and 5061):     | • | Login to System (ssh) as root |  
 iptables -t nat -A PREROUTING -p udp -d 205.210.12.123 --dport 5061 -j DNAT --to 205.210.12.123:5060           NOTE: Execute the command above as the root user and replace the IP addresses with your IPs     
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