Patent ID: 7535994

Claim:
A Public Safety Access Point (PSAP) administration system for safely modifying data in a PSAP database, the system comprising: a Graphical User Interface (GUI) for enabling user interaction; a storage system; and a processing system in communication with the GUI, the storage system, and the communication interface, with the processing system being configured to: log changes to a data portion to be modified, with the logging defining one or more modified data fields and one or more unmodified data fields in the data portion; read out and store a safe copy of the data portion from the PSAP database; write the data portion to the PSAP database after reading the safe copy from the PSAP database; read out a verification copy of the data portion written to the PSAP database; compare the one or more unmodified data fields of the safe copy to the one or more unmodified data fields of the verification copy; and generate an alarm if the one or more unmodified data fields of the safe copy are not identical to the one or more unmodified data fields of the verification copy.