The third and fourth ports of exterior line default inactive.

第三和第四个外线端口为关闭状态。

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Can set time limitation for each conversation between extension and exterior line.

可限制分机和外线每次通话时间。

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A slug line tells you where we are - interior or exterior, location, and approximate time.

说明文字标明了你所处的位置——室内还是室外，地点，以及大概的时间。

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Resembling modern, three-dimensional sculptures, jigsaw houses can range from interlocking meshed boxes to walls of glass that blur the line between interior and exterior.

FORBES: Amazing Jigsaw-Puzzle Homes