Error 0x80EE0069

Value: -2131885975 | 0x80EE0069 | 2163081321

What does it mean ?

RTC_E_SIP_TLS_FAIL  
Fails to make a TLS connection
Value: 105 | 0x0069 | 0b0000000001101001

Where does it come from ?

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

Other Errors for FACILITY_RTC_INTERFACE