Error 0x80EE0040

Value: -2131886016 | 0x80EE0040 | 2163081280

What does it mean ?

RTC_E_SIP_HIGH_SECURITY_SET_TLS  
Must set transport to TLS if high security mode is needed
Value: 64 | 0x0040 | 0b0000000001000000

Where does it come from ?

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

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