Lightning Dialer: Use a Custom Caller ID
Where: This change applies to Lightning Dialer in Lightning Experience. Lightning Dialer is available for an extra cost in Essentials, Professional, Enterprise, Performance, and Unlimited editions.
Who: Users need both Dialer Inbound and Dialer Outbound licenses to assign a custom number.
How: Sales reps can add a custom caller ID from the Dialer Settings page from their personal settings or the call panel.