Disabling SIP ALG - D-Link

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, click Advanced

From the left navigation menu, select Firewall Settings

Under Application Level Gateway (ALG) Configuration, disable SIP

Click save and, if prompted, restart your router.