NRF (No Record Found)

NRF (No Record Found) is generated when a wire-line 9-1-1 call is placed into the network without an accurate 9-1-1 ALI database record and might not be answered by the appropriate 9-1-1 Public Safety Answering Point.

NENA 02-015, NENA Technical Standard for Reporting and Resolving ANI/ALI Discrepancies and No Records Found for Wireline, Wireless and VoIP Technologies