There are two permissions for employees to help you configure the Voice solution to meet your needs:

This allows you to configure who will receive the incoming call browser notifications. A good example is if you have an owner who doesn't handle calls but is managing the business. You may want to turn off inbound call notifications so that the owner doesn't get distracted by the browser notification.

This allows you to configure who will has access to Voice Settings so that you can limit who can make changes to your phone numbers, recording or masking settings, and voicemail. As an example, you may have office staff who you do not want them to access your settings for communications so you may toggle this off for them.

This allows you to set who can view call logs, global and customer logs, on web and mobile.

This allows you to set which employees will be able to listen to call recordings on web and mobile.