Error 0x80F0000B

Value: -2131754997 | 0x80F0000B | 2163212299

What does it mean ?

RTC_E_PINT_STATUS_REJECTED_BADNUMBER  
Bad Number
Value: 11 | 0x000B | 0b0000000000001011

Where does it come from ?

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

Other Errors for FACILITY_PINT_STATUS_CODE