Voice for Dynamics 365 is an embedded CCaaS solution. Use your CRM as a contact center without separate voice channels. All customer data is stored in one place to create a 360-degree customer view.
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The role can be found in: Advanced Settings → Security → Users or Teams, to be assigned for the D365 user.
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Note: If your organization is using some other D365 custom role or team based privileges with Voice for Dynamics 365 privileges included be sure to remove that particular role (or team membership) from the user.
User authentication
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