Need a Whiteboard Collaborative tool to be developed which can be used in an Audio video call, by multiple participants in the call.
Specifications of the Whiteboard tool:
1. The Whiteboard will be initiated during the audio/video call between 2 or more participants.
2. All the participants in the call should be able to see the whiteboard and whatever the Host is writing on the whiteboard real time.
3. The whiteboard should have standard features like Pencil, Text, drawing, colors, shapes, grid, save a file etc.
4. The whiteboard should be able to be saved on the disk as a .png file or similar image file.
5. Only Host can erase what is written or drawn by other participants.
6. Participants cannot erase anything written by others.