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

If this solution proves helpful and resolves your issue, kindly consider marking it as accepted. Doing so will aid others who encounter similar challenges in the future.

Regards,
NarasimaPerumal Chandramoha
Microsoft MVP
Apps4.Pro - Trusted Office365 T2T Migration partner. Migrate Exchange, SharePoint, Microsoft Teams, Stream, Yammer, Power Platform between tenants.
Product Specialist - http://www.apps4.pro/

Hi somnath6309,

you can check if these settings are enabled in Teams Admin Center:

www.thewindowsclub.com