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| YD/T 978-1998 Technical requirment and test method for digital queue equipment of PSTN (English Version) |
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Detail of YD/T 978-1998
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Introduction of YD/T 978-1998
本标准规定了数字排队机接人公用电话网时必须统一遵循的技术条件，主要内容包括定义、容量系列、技术要求及检测方法。
本标准适用于数字排队机。主要应用于特种业务台。
Contents of YD/T 978-1998