TP-Link Deco M9 Plus User Manual page 31

Reserve IP addresses for specific
devices to recognize and manage
the device more easily
Set up port forwarding rules to
enable devices in your network
accessible over the internet with
safety
Register a TP-Link DDNS domain
name to access your router and local
servers using a domain name
Enable SIP ALG to communicate
with SIP (Session Initiation Protocol)
servers via NAT)
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