Mobility is the ability to communicate using whatever device you have at the moment. The mobile phone device should: Mobility should allow the user to define their availability. For example, when you are out of the office on your mobile phone, your office should be able to see your availability and transfer calls to you when you are free. Mobility should be completely transparent, with everything back at the office remaining the same. Ideally your enterprise should not have to build separate systems to support mobile users or add other UC capabilities. An effective mobility platform will give you the freedom to use your mobile device to be reachable at all times. It will give you the flexability to change presence status, restrict caller access, maintain call control, and maintain presence status. This will also include changing call handling modes seamlessly from outside or inside the workplace. Mobility is a powerful tool and should be considered in your UC platform evaluation. Key Mobility Partners include: