iPhone hangs up as soon as I answer the call

Hello WillG1,

Thanks for visiting Apple Support Communities,

I understand that incoming calls are not going through and hanging up when the call connects. The following guide offers a number of troubleshooting steps that could help with this issue:

If you can't make or receive calls on your iPhone

Best regards.

The link you provided does NOT answer the question or solve the problem of why my stupid phone hangs up when I answer a call. I was an Android user for over 10 years and just recently switched to an iPhone and I am really starting to regret the switch.