[Secure virtual private network connections to corporate data are demonstrated with Japan's iMode at the NET&COM21 expo in Tokyo.]

Tokyo -- Among network services presented at the NET&COM21 exhibition last week, NTTPC Communications Inc.'s "iMode VPN Solution" attracted a lot of attention from visitors.

It opens up the possibility of better integrating iMode portable telephones and corporate computer networks.

Using an iMode phone to connect with a corporate network over the Internet presents something of a system security risk, as iMode handsets do not have the ability to encrypt data built into them. The iMode VPN Solution basically solves this problem by removing the risk and thus maintaining the security of business networks, even when employees need to use portable phones to connect to them.

It does this by bypassing the Internet, with the NTTPC backbone network used instead to form the link between a router inside the client company's network and the NTT DoCoMo iMode center. Because the Internet is cut out of the equation, there is no chance of outsiders being able to intercept important corporate data, or of hackers being able to break in and change or destroy data stored in a company's computer system.

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