14. The method of claim 12 , further comprising: receiving, by the processor, a purported identity of the telephone caller, the purported identity including a purported demographic; comparing, by the processor, the caller demographic to the purported demographic; and identifying, by the processor, the telephone caller as at least one of: likely having the purported identity in response to determining the caller demographic matches the purported demographic, and unlikely to have the purported identity in response to determining the caller demographic matches a demographic other than the purported demographic.
12. A method of authenticating a telephone caller, the method comprising using, by the processor, the call authentication system established by the method of claim 9 to authenticate the telephone caller.