it is related tokbox (opentok) ios api. we have lms system. We integrated tokbox to our lms. Tokbox is a webrtc system. it is working successfuly. it is browser based. but the problem is in IOS operating system even Chrome doesn't support webrtc... But Tokbox has a solution for IOS. They have IOS TOKBOX SDK. But we don't know how to use it. if someone develop an application in IOS and if we use it via uri we will be very happy.