While creating calendar/event in calendar using graph api, when I specify onlineMeetingProvider as teamsForBusiness, I get in response onlineMeetingProvider as skypeForConsumer and meetingUrl responded is also a skype link.
[1]: /answers/storage/attachments/109345-screenshot-from-2021-06-25-13-51-36.png
[2]: /answers/storage/attachments/109299-screenshot-from-2021-06-25-13-55-18.png
kype link 

