To active Unaric Voice in Lightning Experience, an additional setup is required.
Switch to the Lighting setup, Apps, App manager. Select an app from app type: Lighting and click on Edit.
Select: Utility Bar and click on the Add button. Select: Open CTI SoftPhone
When you login into the App, the phone numbers will have a phone icon and the CTI Data Connector SoftPhone application will be visible in the footer.