• In this background, the design programs of online charging system based on OCS were proposed by China Telecom, and in 2009, the official cutover test was ran by Shandong Telecom.

    这样大背景下中国电信提出基于OCS在线融合计费系统设计方案2009年山东电信正式割接试运行。

    youdao

  • In this background, the design programs of online charging system based on OCS were proposed by China Telecom, and in 2009, the official cutover test was ran by Shandong Telecom.

    这样大背景下中国电信提出基于OCS在线融合计费系统设计方案2009年山东电信正式割接试运行。

    youdao

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