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Disabling SIP ALG - Draytek

Support Centre Troubleshooting Articles SIP ALG Disabling SIP ALG - Draytek


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


How to Disable SIP ALG on Draytek Routers


Login to your router's web interface and select NAT > ALG from the menu on the left.

Uncheck Enable ALG, then select OK to confirm your changes. If prompted, restart your router to finalise the change.