Queue Routing Type

Option
Description
Parallel
All available agents are alerted at the same time. See prerequisite below.
Serial
Available agents are alerted one at a time, starting with the first agent on the list.
Round Robin
Available agents are alerted one at a time, equally distributed across all agents.
Longest Idle
Available agents are alerted one at a time, longest idle agent first to least longest idle.
If using Parallel routing, the below Teams PowerShell command is required to be ran for optimal agent experience:
Set-CsApplicationMeetingConfiguration -AllowRemoveParticipantAppIds @{Add="341e195c-b261-4b05-8ba5-dd4a89b1f3e7"}