Known issues:

  • SIP ALG is enabled by default
  • DNS servers need to be updated

Resolution:

  1. Login to the router.
  2. Navigate to the NETWORK tab.
  3. Uncheck NAT Protocol: SIP.
  4. The following step is needed if you have or plan to purchase Polycom phones:
    Warning: These changes may take your computers, phones, and all other devices offline for 10 minutes or much longer if an unexpected problem arises.
    Make sure to only make the changes below when you can afford to take your network offline. Update Primary DNS to 8.8.8.8 and Secondary to 8.8.4.4.
  5. Click Change at the bottom of the screen.
  6. Commit changes. Committing changes will reset the router.