NewMicrosoft Teams
Microsoft Teams: Multi-line call history tabs in the Calls app
Multi-line users in Microsoft Teams will see an improved call history experience with dedicated tabs organized by phone line, making call management and navigation more intuitive. This is a UI enhancement with no administrative action required.
Microsoft's description
Multi-line users get a redesigned call history experience that organizes activity by phone line. Call activity is organized into dedicated tabs for each line, so history, voicemails, and recordings appear under the line they belong to, making navigation and call management simpler and more intuitive.