Thank you for visiting & posting on our Cricket Community Forum! To use Wi-Fi Calling, you must have a Cricket Wi-Fi Calling-enabled device, and access to the Internet through your device's Wi-Fi connection. For more info, click here: https://www.cricketwireless.com/support/apps-and-services/wifi-calling/customer/wifi-calling.html
Thank you for your response but the question was was not answered. I need to know what TCP and UDP ports need to be open at the firewall in order to pass the traffic needed to make and receive calls over wifi.