Ummm, not under this s9. It could be on a list somewhere just not under this one. Can you post a link to the Cricketwireless link you saw?
Wi-Fi Calling-Capable Phones | Mobile WiFi | Cricket Wireless
Cricket Wi-Fi Calling is available with select phones and an available Wi-Fi network connection. See our current list of Apple and Android Wi-Fi Calling-capable phones, plus steps to setup Wi-Fi Calling.
www.cricketwireless.com