Error 0x80EE0064

Value: -2131885980 | 0x80EE0064 | 2163081316

What does it mean ?

RTC_E_SIP_TLS_INCOMPATIBLE_ENCRYPTION  
Incompatible TLS encryption
Value: 100 | 0x0064 | 0b0000000001100100

Where does it come from ?

FACILITY_RTC_INTERFACE  
RTC - Real-time Communications
Value: 238 | 0x0EE | 0b11101110

Other Errors for FACILITY_RTC_INTERFACE