对公共信道信令系统中的综合业务数字网用户部分(ISUP)和电话用户部分(TUP)进行了简单的比较。
The simple comparison is made between Integrated Server Digital Network User Part (ISUP) and Telephone User Part (TUP) in this paper.
对公共信道信令系统中的综合业务数字网用户部分(ISUP)和电话用户部分(TUP)进行了简单的比较。
The simple comparison is made between Integrated Server Digital Network User Part (ISUP) and Telephone User Part (TUP) in this paper.
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