Disabling SIP ALG - UNIFI USG

Note that, as this process may temporarily interrupt your internet connection and phone service, we recommend doing this in an off-peak period or outside of business hours.

Learn more about SIP ALG in our knowledge base article here: SIP ALG

Disabling SIP ALG

Log in to your Unifi management interface, then select Settings -> Routing and Firewall -> Firewall tab -> Settings and Disable SIP then Save