OneTrack can be Integrated to RingCentral, this is useful for contacting Customers.
To setup the integration, go to Settings > Integrations > Ring Central. Make sure to have the Ring Central app installed first. You can go to this link : https://support.ringcentral.com/download.html to download the app and register as well.
To Connect your Ring Central, Click CONNECT TO RINGCENTRAL.
Log in using your RingCentral account to complete the process.