Microsoft Teams Expert to make Deep Link (or URI) to call Multiple Contacts from Web Page

My budget is 200$. We need expert in Microsoft Teams to make a working Proof Of Concept that will fulfill below scenario: 1- Create html page with hyperlink, when user clicks it, it opens Online Meeting for Multiple Contacts using Teams. 2- Create html page with hyperlink, when user clicks it, it starts Call with Multiple Contacts in Teams. 3- Create html page with hyperlink, when user clicks it, it starts Instant Messaging Teams Window with Multiple Contacts. Experience in this is a must, payment will be on successful demo showing the above user scenario.