The receptionist said the computer wholesale company has boosted security with new access badges and security training for all employees.
Armed guards remain at front and rear entrances of the company.
John Ramsey is expected to return to work shortly, but an exact date has not been set. The suspect is said to have a raspy voice like that of actor James Earl Jones, according to police reports. Access Graphics told police they have received several suspicious calls, some of which sounded like the most recent caller. The body of JonBenet, a former National Tiny Miss Beauty, was found eight hours after her mother called 911 to report she had found a ransom note and her daughter was missing. Police said JonBenet was strangled but refused to confirm reports that she was sexually assaulted and her skull fractured.