FirstClass® enables you to experience the power of reliable communication, collaboration, conferencing, and calendaring capabilities in one easy-to-use solution.   With the addition of FirstClass® Unified Communications email, voice and fax messages are combined into one easy to use, unified Mailbox that can be accessed via the device of choice including cell phone, telephone, computer and handheld from any location, at any time.
The FirstClass client software provides a desktop application that is optimized for fast, streamlined access to the FirstClass server.

Choose the version you want to install.

Mac OS