IT24: Disconnectable rich client User Interface Provide mobile applications with a rich client user interface using standard local frameworks such as JFace and SWT libraries. This provides a common programming interface. Device management, messaging, and Web service capabilities are recommended supporting IT drivers. Additional IT driver: IT23 T25: Extend disconnectable Web apps for text and voice Extend disconnectable applications with a Web user interface that can use both text and voice. Provide a multimodal user interface that supports data and voice interaction by using XML standards such as XHTML and VoiceXML. Device management and the disconnectable applications are recommended supporting IT drivers. Additional IT drivers: IT03, IT11­IT15, IT20­22 IT26: Provide instant messaging Enable people awareness and instant messaging on mobile devices. Additionally, leverage notification services. Device management is a recommended IT driver. Additional IT drivers: IT08, IT09, IT11­IT14 IT27: Provide offline PIM and e-mail access Provide synchronization of PIM/EMail to the mobile device. Optionally enable push e-mail services. Device management drivers are a recommended set of related IT drivers. Additional IT drivers: IT09, IT11­IT14 IT28: Extend collaboration services Provide a collaboration workplace on the mobile device providing PIM/EMail access, instant messaging, people awareness, and the ability to view or edit office documents. Additional IT driver: IT26, IT27 Appendix B. Description of IT drivers and capabilities 471