# Call duration

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> Markdown URL: https://mediated.wiki/source/Call_duration.md
> Source: https://en.wikipedia.org/wiki/Call_duration
> Source revision: 1245933385
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

In [telecommunications](/source/Telecommunications), the term **call duration** has the following meanings:

1. In [telephone](/source/Telephone) systems, the [time](/source/Time) between (a) the instant a [circuit](/source/Telecommunication_circuit), *i.e.,* [off-hook](/source/Off-hook) condition at each end, is established between the [call originator](/source/Call_originator) and the [call receiver](/source/Call_receiver) and (b) the instant the call originator or the call receiver terminates the call.
1. In [data transmission](/source/Data_transmission), the duration of the [information transfer](/source/Information_transfer) [phase](/source/Phase_(waves)) of an information transfer transaction.

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Adapted from the Wikipedia article [Call duration](https://en.wikipedia.org/wiki/Call_duration) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Call_duration?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.