Data communication apparatus, data communication method and data communication processing program
US8654633B2 · kind B2 · utility
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4References
20Claims
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Key dates
| Filing date | Dec 6, 2006 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | May 1, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/14
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.