Apparatus and method for detecting illegal call
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
May 3, 2022
Grant Date -
Apr 8, 2021
app pub date -
Dec 17, 2020
filing date -
Dec 17, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An illegal call detection apparatus comprises a data collecting unit, a preprocessing unit, and a learning unit. The data collecting unit collects, from at least one of a subscriber terminal or a call exchanger, a raw packet generated by the subscriber terminal using a VoIP service, and collects, from the billing server, CDR data related to the raw packet. The preprocessing unit generates learning data by using service usage information extracted from the CDR data and service detailed information extracted from the raw packet, and generates a training image by converting the training data into an image according to a predetermined imaging rule. The learning unit extracts at least one or more features from the training image, and learns whether the training image is related to an illegal call by using the features, through an illegal call detection model.
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