Epicenter is a Servers & Network software developed by Connected Software, Inc.. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Epicenter:
BSEditor: Epicenter, from Connected Software, gives your BlackBerry, iPhone/iPad and Android users their own local Copy of the corporate address book. Updates are automatically synchronized via ActiveSync or BlackBerry Enterprise Server.
Features
* Requires no additional software on the smartphone. * Epicenter Server runs even when you are not logged in. * Seamless integration with existing directories and email address books. * Distributes all address book fields, including postal addresses, phone numbers, birthdays, pictures, and many other fields. * Five-minute server installation with wizard-based setup. * Runs without requiring a dedicated server computer. * Fast incremental updates.