How to enable Call, Video call and Screen Sharing

somnath6309 

Can you confirm whether you are using a personal account?

Why are some features not available in chat in Microsoft Teams (free)? - Microsoft Support

if so, Screen share , Audio and Video call feature is limited by Microsoft. In this case, you can join a meeting as a guest.

Joining Teams for work or school meetings from Teams (free) - Microsoft Community Hub

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Regards,
NarasimaPerumal Chandramoha
Microsoft MVP
Apps4.Pro - Trusted Office365 T2T Migration partner. Migrate Exchange, SharePoint, Microsoft Teams, Stream, Yammer, Power Platform between tenants.
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