US Patent 10230835 In-call fact-checking

In a method for verifying statements during a call that uses a telecommunication device, a statement made during the call is detected at the telecommunication device. The statement forms an in-call fact statement. Data of a portion of the call is saved, where the portion is related to the statement. The part of the statement is asserted as being true in the statement. A result of a verification of a part of the statement is received. The result is evaluated to determine that the part of the statement is false. In response to the evaluating, the processor in the telecommunication device, is used to cause a change to occur in the call.