星号拨号计划中 ${CDR(duration)} 和 ${CDR(billsec)} 之间的差异 [英] difference between ${CDR(duration)} and ${CDR(billsec)} in asterisk dialplan

问题描述

我想获得调用的持续时间，但不知道使用哪个变量

I want to get the duration of the call but confused which variable to use

${CDR(duration)} 或

${CDR(billsec)}

这里不清楚从什么时候开始 ${CDR(duration)} 记录时间

Here it is not clear from when ${CDR(duration)} records the time

那么我应该使用 ${CDR(duration)} 还是 ${CDR(billsec)} ?

推荐答案

假设电话进来 X 秒无人接听，然后接听，Y 秒后说话/播放内容并挂断.

Let say call come in and no answer for X second, after that answered, after that Y seconds speaks/play something and hang up.

所以持续时间将为 X + Y，而 billsec(计费时间)将为 Y.

So duration will be X + Y, while billsec(time to be billed) will be Y.

CDR(billsec) 是应答时间或计费时间，没有呼叫建立时间(拨号后延迟).

CDR(billsec) is answered time or time to be billed, without call setup time(post-dial delay).

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