Microsoft and Apple recommend that businesses deny certain iPhones, iPads and iPods access to Calendar items.
Allowing users to connect their personal mobile devices to the company network can create headaches for IT, but it's possible to strike an acceptable balance between simplicity and security.
Careful planning across the enterprise makes for secure data and happier users.
How to Enable Remote Access from iOS Mobile Devices
Balancing the needs of people, technology, and corporate policy is the foundation of managing mobile devices in the enterprise.