This is one of the major feature  in the Enterprise Communication App . To refine the requirements the business needed an external User Testing before actual development. The task of creating the visual design(UI skin) & a high fidelity prototype was given to me with a user testing script.The following are the major interactive test features included in this prototype.

1. Add attendees
2. Contact list
3. Calendar
4. Date
5. Time
6. Conference room
7. Special rules (re-occurring, lecture mode, personal room,..)