RealVNC will preview vnc for mobile platforms at the Symbian Smartphone Show expected in the 21 to 22 October in London.
Extension of its flagship vnc Enterprise Edition mobile devices, after a first beta we can find the product on the shelves in the first half of 2009

With this last piece vnc now supports a wide range of mobile vnc phones and PDAs including Symbian, Microsoft Mobile, iPhone, Linux and BlackBerry platforms, with support for additional platforms in the pipeline.
In addition to providing remote control and management of PCs and mobile devices (for this already existed software such as vnc Viewer for Symbian), for the first time it will be possible for an IT department to control and manage mobile devices using vnc.

Check the full detail here VNC Enterprise Edition remote control for all phones
More detail from here VNC Enterprise Edition remote control for all phones