Disable SIP ALG on Netgear Router

To disable SIP ALG on a Netgear router:

  1. Browse to the router's IP address ( by default)
  2. Enter the username and password (default username: admin, default password: password)
  3. In the main menu, select Advanced > WAN Setup
  4. Enable the option Disable SIP ALG
  5. Click Apply to apply the settings