Is this considered work discrimination?

So, I work at a childcare Center and every lunch hour I video chat my boyfriend with headphones on. People were complaining about it (sometimes I didn’t have headphones - which that is understandable -, but it is still a problem with my staff and they never came to me, they just went straight to the supervisor). Anyways, I tried going into different rooms, including in between the front doors (which I’ve done before and was never a problem then). Now my supervisor has told me that if I wanna talk to my boyfriend, I have to do it in the laundry room. Is this considered discrimination? I legit wanna know, I’m not tryna whine about my situation.

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Is this considered work discrimination?
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