Will I get banned if I talk trash in voice chat, like, are the calls being recorded or not?

Will I get banned in league of legends for talking trash in a league voice chat? Like, even if I'm just trolling with a friend, will I be reported and banned, or at least suspended?
Best New

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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