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.
Disabling SIP ALG for Sonicwall Routers
- From the Sonicwall main menu, select VoIP, then choose Settings.
- Find the setting for SIP (or SIP transformations) and uncheck the box, then check Enable consistent NAT and choose save.
- If you're prompted to reboot, please do so.