SHAPE Services released IM+ for Lotus Sametime, an instant messaging client for most popular mobile platforms: BlackBerry RIM, Windows Mobile and Symbian:
http://www.shapeservices.com/eng/im/SAMETIME/
With IM+ for Lotus Sametime it's possible to communicate from mobile devices as easy as you do with native desktop clients.
IM+ for Lotus Sametime includes advanced features that make it ideal for both enterprise and individual use.
For enterprises IM+ for Lotus Sametime is a secure solution for mobile instant messaging. Special gateway can be installed within company's network.
For individuals who want to connect to their corporate server from mobile device, IM+ for Lotus Sametime is provided as a stand-alone wireless messaging product.
5 days trial is available for download.