Two-way mobile Exchange connectivity currently comes in three general flavors — PDA synchronization, Wireless Application Protocol (WAP) devices, and BlackBerry/2-way pager devices. In all cases, a server or wireless service (or both) is used as an interface between the Exchange Server and the mobile device.
Other mobile access tools can be found on the following pages:
This page lists server-based solutions that connect directly to Microsoft Exchange. Standalone, mostly non-Exchange users can get two-way mobile access with these tools and services listed at Tools for Mobile Access to Microsoft Outlook Data.
CodeTwo Exchange Folders is an easy to use application which synchronizes contact, calendar and task items from Exchange public and personal folders to mobile phones and back. It allows for central folder and access rights management and is totally secure thanks to Triple DES 168-bit encryption.