Fix Zoom Integration for Multiple Video Calls -- 3

We need an experienced Zoom expert to fix our current code. The task involves enabling multiple simultaneous video calls initiated via QR codes on the web, which trigger incoming video calls on our app. Currently, the system only supports one call at a time, and we need this limitation resolved. Ideal candidates should have strong expertise in Zoom integration and troubleshooting.

Important: Freelancers must join remotely to fix the issue as we will not share the source code. Please see the attached video for the problem we are facing.