Nov 19, 2003 00:36
21 yrs ago
English英语 term

Control instructions cannot easily masquerade as voice content.

English英语译成Chinese汉语 技术/工程设计
Today's public switched telephone network (PSTN) is inherently secure. Individual telephones can originate only very simple control messages. Control instructions cannot easily masquerade as voice content. Digital access from a private branch exchange (PBX) has strictly limited ability to send control messages. And carriers' core signaling system (known as SS7) is protected from external access.

Control instructions cannot easily masquerade as voice content.
这部分可以比较具体地解释一下吗?
是不是说“控制指令无法轻易进行伪装,来控制语音内容”??

Discussion

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Proposed translations

+4
56分钟
Selected

控制指令无法轻易被伪装为语音内容

我的分析:

要非法进入PSTN系统, 就必须能够送出非法的数位控制信息. 称为phreaking. 因为语音不可以用来非法控制该系统. 有三个可能的进入点:

1. 核心: core signaling system, no external access
2. 户外接线盒: PBX, limited ability to send messages
3. 单个电话机: can originate only very simple control messages

voice 就是说话的声音, digital instructions 比如拨号上网时发出的声音

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Note added at 2 hrs 22 mins (2003-11-19 02:59:42 GMT)
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伪装的一个例子是: 有些人用模拟的DTMF声音(按键式电话的按键声)偷打电话.

更技术的东西, 我就讲不出了! :-)
Peer comment(s):

agree pleasure
1小时
agree Xiaoping Fu : Excellent explanation!
4小时
agree Zong Yang Yu
9小时
agree Danbing HE
12小时
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4 KudoZ points awarded for this answer. Comment: "Thanks a lot!"
2小时

控制指令(人工语音)不易与真人话语相混

控制指令(人工语音)不易与真人话语相混

上一句说单个电话机(注意不是交换机)也能产生简单的control messages,我估计是些简单的操作控制性人工语言,但这些语音指令与真人说的话有明显差异,所以不会相混。
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