Error 0x80EF025E

Value: -2131819938 | 0x80EF025E | 2163147358

What does it mean ?

RTC_E_STATUS_GLOBAL_NOT_ACCEPTABLE  
Not Acceptable
Value: 606 | 0x025E | 0b0000001001011110

Where does it come from ?

FACILITY_SIP_STATUS_CODE  
SIP - Session Initiation Protocol (VoIP)
Value: 239 | 0x0EF | 0b11101111

Other Errors for FACILITY_SIP_STATUS_CODE