Guest user Teams mobile app

Guest user is able to log into desktop teams app. However, not able to log into Android mobile app:

Logs says:

10-18 18:54:39.331 12302 13677 E AuthorizationService: ProcessId: 12302, Thread: pool-1-thread-16, SkypeTeams is not enabled for the user. Reason: [403] [{"errorCode":"UserLicenseNotPresentForbidden","message":"User Login. Teams is disabled in user licenses"}] [{"errorCode":"UserLicenseNotPresentForbidden","message":"User Login. Teams is disabled in user licenses"}]

However, it is enabled in admin settings. 

Any clue what is wrong?

@