未登记号码、来电提示和黑名单都曾试图解决这个问题，但仍然阻止不了你不想接到的来电。

Unlisted Numbers, Caller ID and do-not-call lists all tried to solve this problem, but these solutions still don't prevent unwanted calls.

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系统利用得到的来电号码，同存储的黑名单中的号码进行比较，判断是接通话机振铃线路，抑或控制模拟挂机电路挂机。

The system USES Caller ID, with the store's blacklist of Numbers, the judgement is connected to phone lines ringing, or simulated hang up control circuit hang up.

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设置黑名单的号码以拒绝来电和在接其通话时的静音。

View call logs for blacklisted numbers that are set in Silent mode.

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设置黑名单的号码以拒绝来电和在接其通话时的静音。

View call logs for blacklisted numbers that are set in Silent mode.

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