Orlando José Luque Moraira

At the chats: 

These are the licenses we are using. 

Thank you! Using Graph Explorer I find the same problem: no conferenceId is got back:  (I did not know Graph Explorer, so thank you again :-) ) BTW, I...

well, I am obtaining the id through an extra call: https://graph.microsoft.com/v1.0/users/{user-id}/onlineMeetings?$filter=JoinWebUrl eq '{join-url}' just it works on Graph Explorer, but not on my app, as it appears to be forbidden....