Microsoft is confirming this morning that all Microsoft 365 services are returning to normal, however we may continue to see some residual impact such as intermittent connectivity issues or delayed email delivery until the incident is completely resolved. Thank you for your patience! ✕

How To make calls using Wi-Fi on the iPhone.

Creation date: 9/10/2021 2:28 PM    Updated: 10/11/2021 10:49 AM   calls iphone wi-fi
When your iPhone has a low cellular signal, use Wi-Fi Calling to make and receive calls through a Wi-Fi network.

https://support.apple.com/guide/iphone/make-calls-using-wi-fi-iph78f4697ca/ios