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.