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Support Centre Troubleshooting Articles SIP ALG Disabling SIP ALG - TPLink

Disabling SIP ALG - TPLink

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

From the router's menu, select Network > ALG Settings. On some firmware versions, this has moved to Advanced > NAT Forwarding > ALG

Under Application Layer Gateway (ALG), find SIP ALG and check Disable. Click save and, if prompted, restart your router.

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