Wi-Fi Calling Firewall Ports and Destination IP Addresses
Introduction
Wi-Fi calling is a convenient feature that allows you to make and receive calls over a Wi-Fi network instead of your mobile provider's network. However, in order for Wi-Fi calling to work, you need to ensure that your firewall is configured to allow traffic on the correct ports and destination IP addresses.
Firewall Ports Required for Wi-Fi Calling
The following firewall ports are required for Wi-Fi calling: * UDP port 500 * UDP port 4500 * TCP port 500 * TCP port 4500
Destination IP Addresses for Wi-Fi Calling
The following destination IP addresses are required for Wi-Fi calling: * 208.65.153.238 * 208.80.152.238 * 2600:1412:8011::8a2e:370:7334
Adding Firewall Rules for Wi-Fi Calling
To add firewall rules for Wi-Fi calling, you will need to: 1. Open your firewall configuration tool. 2. Create a new firewall rule. 3. Set the protocol to UDP or TCP, depending on the port you are allowing. 4. Set the port number to the port you are allowing. 5. Set the destination IP address to the IP address of the Wi-Fi calling server. 6. Allow traffic on the rule.
Troubleshooting Wi-Fi Calling Firewall Issues
If you are having trouble getting Wi-Fi calling to work, you can try the following troubleshooting steps: * Verify that the firewall rules are configured correctly. * Make sure that your Wi-Fi network is working properly. * Restart your phone. * Contact your mobile provider for assistance.
Conclusion
By following these steps, you can ensure that your firewall is configured to allow traffic on the correct ports and destination IP addresses for Wi-Fi calling. This will allow you to make and receive calls over a Wi-Fi network, even when you don't have a strong cellular signal.
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