Error 0x80EE0076

Value: -2131885962 | 0x80EE0076 | 2163081334

What does it mean ?

RTC_E_MEDIA_SESSION_IN_HOLD  
Media session is in hold
Value: 118 | 0x0076 | 0b0000000001110110

Where does it come from ?

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

Other Errors for FACILITY_RTC_INTERFACE