| 摘要 |
A system and a method for controlling unauthorized traffic in mobile communication network are provided to protect an existing circuit based voice call sales by allowing only authorized VoIP traffic to be passed while blocking unauthorized VoIP traffic. An unauthorized traffic control system comprises a traffic filtering device(400) and a traffic control device(500). The traffic filtering device stores a traffic of an internet protocol based transmitted through a mobile radio communications network(200) temporarily. The traffic filtering device requests a cut off of the traffic. According to the request of the traffic filtering device, the traffic control device determines whether it is the traffic in which the traffic which is temporarily stored to above statement is authorized with the predetermined decision criteria or not. According to the decision result of the traffic control device, the traffic filtering device allows or blocks the traffic. |
