Invention Grant
US08654633B2 Data communication apparatus, data communication method and data communication processing program 有权
数据通信装置,数据通信方法和数据通信处理程序

Data communication apparatus, data communication method and data communication processing program
Abstract:
A data communication apparatus, comprising: a first control unit for controlling a client trying to access in order to establish a session by a call control protocol, for data communication by a data communication protocol that is other than said call control protocol; an IP address acquiring unit for acquiring an IP address of said client from the data of said call control protocol; and a second control unit for rejecting data communication from a client, which IP address is other than said acquired IP address, while and after said session is established.
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