NOTE: YOU MUST HAVE ADMINISTRATIVE PERMISSIONS TO ACCESS THE FOLLOWING STEPS.
If you want to turn on/off a rep's ability to utilize RingCentral through their FastGem account, complete the following steps:
First, head to the Admin pages (back end) of FastGem. Then, click on Users>Manage from the top menu.
Click to edit a user profile from the list, then, from within their profile, click the 'FastGem - Integration Settings' tab. From there, toggle 'Enable RC Integration' to Yes/No accordingly.
Don't forget to Save the record when finished!
The user will need to log out of FastGem and log in again before they can access RingCentral from FastGem.