Error 0x80F00008

Value: -2131755000 | 0x80F00008 | 2163212296

What does it mean ?

RTC_E_PINT_STATUS_REJECTED_PL_FAILED  
Primary Leg Failed
Value: 8 | 0x0008 | 0b0000000000001000

Where does it come from ?

FACILITY_PINT_STATUS_CODE  
PINT - PSTN/Internet Interworking (VoIP)
Value: 240 | 0x0F0 | 0b11110000

StackOverflow

Other Errors for FACILITY_PINT_STATUS_CODE