How to make inbuilt calling app like clubhouse whatsapp call

I WANT TO MAKE A APP THAT HAS AN INBUILT CALLING OPTION LIKE WHATSAPP CALL EVERYONE CAN JOIN THE CALL ROOM IF YOU HAVE ANY IDEO PLZ SHARE( NOTE: IAM NOT ASKING ABOUT CALLING APPS LIKE EMERGENCY CALLING APPS, AMBULANCE APP, SHAKE TO CALL APP, IAM NOT ASKING ABOUT IT) IF HAVE IDEA OF MAKING APP LIKE WHATSAPP CALL PLZ SHARE

thank you

Welcome to the community. Using all caps looks like you are shouting and here in the community we do not shout :slight_smile: . Please edit your post

This possible with

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Thank you Can We Hold This Extention for Free Because We are Trying to Make A demo App if it’s ok Reply My comment

thank you