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    • 9. 发明授权
    • Gateway apparatus
    • 网关设备
    • US07272135B1
    • 2007-09-18
    • US09431902
    • 1999-11-02
    • Kazuyuki OhtsuHiroko SuzukiMasayuki Tashiro
    • Kazuyuki OhtsuHiroko SuzukiMasayuki Tashiro
    • H04L12/66
    • H04Q3/0045H04M7/1245H04Q2213/13034H04Q2213/13196H04Q2213/13389
    • A gateway apparatus according to the present invention, arranged between each of a plurality of circuit switched networks and the Internet, for transmitting data received from each of the circuit switched network to the Internet. The gateway apparatus comprises an expansion section expanding compressed data received from the circuit switched network, a compression section compressing the data expanded by the expansion section, a setting section setting a compression form, including a transmission rate on the internet protocol network, of data compressed by the compression section, and a controller transmitting the compressed data to the internet protocol network without performing expansion/compression processes by the expansion section and the compression section when the compressed data can be expanded by another gateway apparatus which should receive the compressed data and when a transmission rate on the circuit switched network of the compressed data is not higher than a transmission rate set by the setting section.
    • 根据本发明的网关装置,布置在多个电路交换网络和互联网中的每一个之间,用于将从每个电路交换网络接收的数据发送到因特网。 网关装置包括:扩展部,其扩展从电路交换网络接收到的压缩数据;压缩部,压缩由扩展部扩展的数据;设定部,设定压缩形式,包括因特网协议网络的传输速率;数据压缩 通过压缩部分和控制器将压缩数据发送到互联网协议网络,而不用扩展部分和压缩部分执行扩展/压缩处理,当压缩数据可以由应该接收压缩数据的另一个网关装置扩展时,以及何时 压缩数据的电路交换网络的传输速率不高于由设置部分设置的传输速率。