Abstract: A method of tracking personnel includes receiving incoming communications from the personnel via a telephone network from various locations and matching records of the incoming communications with phone company data generated after calls are completed for billing purposes so as to verify a location from which each incoming communication originated. A system of tracking personnel includes a system receiving incoming communications from the personnel via a telephone network from various locations and automatically matching records of the incoming communications with phone company data generated after calls are completed for billing purposes so as to verify a location from which each incoming communication originated.