With its many features and mobile app, RingCentral is a great cloud-based phone system for businesses of all types and sizes. RingCentral is an even more powerful phone system when you add the fact that RingCentral can be used inside of other applications on the market. In 2015, did you know that RingCentral customers will be able to use their RingCentral service inside of 6 key applications? Currently, RingCentral has 5 integrations available for RingCentral customers including: Salesforce CRM, Zendesk, Desk, Box, and Microsoft Outlook. In January 2015, RingCentral is going to release a new integration with Google (i.e. Gmail, Google+ Hangouts and Google Docs). To learn more about each integration, scroll down through the table below.