New iPhone no longer can complete a call. How can correct this issue?

Hello. I'm sorry to hear you are having trouble with receiving calls on your new iPhone. Here is a link to the mobile devices, https://www.cox.com/residential/support/cox-mobile-devices.html. The iPhone manual; https://support.apple.com/guide/iphone/welcome/ios Please check for assistance in correcting this issue. If you still need assistance with with receiving calls, please email your name and address with a link to this thread to cox.help@cox.com or contact our Mobile support at 1-844-386-7048 where one of our specialist can also help to troubleshoot the issue that you are experiencing. Thank you.