Config and Debug are attached.  The phone in use this time was an iPhone 7plus v12.1.4.  Many dropped calls throughout the test.

Thank you very much.  Prior to seeing your update, we created a test ssid with some, if not all, of your recommendations.  Today we tested and still got several dropped calls, debug log seems to have lots of DHCP_REQD entries.  I'll post more info as...

2 Files are attached...   The phone is an iPhone 10 with OS version 12.1.4.  However, we're having very similar issues with other iPhone's ranging from 5 - 10 and varying OS's.  82 total iPhones, all experiencing similar issues with dropped calls.  T...

I have the exact same issue with similar logs...  AIR-CTVM-K9 version 8.3.143.0 AP's: AIR-CAP1602I-A-K9 WiFi calling is critical in this facility (all using iPhones)...   Some Log Messages:MESSAGE_RECEIVEDINVALID_RSN_IEWLAN_SUPPORTS_STATIC_DYNAMIC_WE...