The Softphone is a free, interactive desktop tool that enables real-time control of your outbound and inbound calls and faxes and access to entire phone system.
Using the Softphone, you can screen calls and determine how they are handled, respond to callers with text-to-voice messages without answering, send and receive faxes and access account and contacts.
Download the Ring Central application for Windows from this link:
http://downloads.ringcentral.com/sp/RingCentralForWindows
Download the Ring Central application for Apple from this link:
http://downloads.ringcentral.com/sp/RingCentralForMac