Using the numerous phone and tablet platforms for video calling is fine for friends and family, and also works well for one to one casual business meetings. The problems start to develop when you extend this in to the formal business environment, with multiple attendees and mixed collaborative content.
Any CEO or senior company operative will know that it is critical to maintain clear communication with their teams, whilst at the same time being able to view critical dashboard information at a glance and on a daily basis. Designing and deploying the appropriate audio visual and IT solutions, provides a solid foundation from which all unified communication can function.