A method receives a call from a device of a caller destined to a device of a subscriber of a communication network. The method connects the call to the device of the subscriber and then receives from the device of the subscriber an indication that the call is an undesirable call. The indication further includes a description of the call. The method then provides a reward to the subscriber when the indication further includes the description of the call.

A method receives a call from a device of a caller destined to a device of a subscriber of a communication network. The method connects the call to the device of the subscriber and then receives from the device of the subscriber an indication that the call is an undesirable call. The indication further includes a description of the call. The method then provides a reward to the subscriber when the indication further includes the description of the call.