Patent ID: 11909913
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A spam call prevention apparatus comprising:
a response unit, including one or more processors, configured to convey, to a phone terminal of a sender of a call, a response that, in a case where the call from the sender is evaluated as a spam or a fraud by a receiver of the call, the sender is billed a sum of money corresponding to a probability of being evaluated as the spam or the fraud;
a notification unit, including one or more processors, configured to notify, when the sender has requested, in responding to the response, the call to the receiver, a phone terminal of the receiver of a request for returning an evaluation result of evaluating the call from the sender after the call between the sender and the receiver has ended; and
a determination unit, including one or more processors, configured to determine, when the call from the sender has been evaluated as the spam or the fraud in the evaluation result, the sum of money corresponding to the probability of being evaluated as the spam or the fraud, as a sum of billing.