Columbia subject headings:
Caller ID telephone service--Law and legislation--United States.
False personation--United States.
Impostors and imposture--United States.
Harvard subject headings:
Caller ID telephone service--Law and legislation--United States.
False personation--United States.
Impostors and imposture--United States.
Princeton subject headings:
Caller ID telephone service--Law and legislation--United States.
False personation--United States.
Impostors and imposture--United States.