The Roundbox Broadcast Client provides a complete, standards-compliant broadcast/multicast network stack. Robust, easy-to-use APIs are available for building datacast client applications for mobile devices. The client makes it simple to develop datacast applications by handling the receipt and reassembly of data objects transmitted over the broadcast network. The client is supported in many popular mobile device environments, including BREW and Windows Mobile.

The core features of the Roundbox Broadcast Client include:

• Robust datacast client application APIs
• Delivery of a rich set of data objects, including files, event streams and notifications
• Multiplexing, bandwidth management and monitoring
• Improved compression, bandwidth management, FEC
• Notification wake-up
• Analytics

Within the TV Guide Mobile ESG solution, the Roundbox Broadcast Client serves as the client-side Electronic Service Guide engine. The toolkit provides operators and device manufacturers a small-footprint, multi-platform service layer for deploying an ESG application. The client handles discovery and delivery of the ESG over the broadcast network and efficiently maintains a database of ESG metadata. Key mobile device components, such as the media player, are integrated to provide a seamless user experience as well as a complete solution for phone manufacturers.