Native Microsoft Teams “call center” features Microsoft Teams PBX includes: But it lacks or has limited: Auto-Attendants/IVR (DTMF/Speech) Digital channels (chat, email, SMS) Call queues/agents Outbound dialer Historical reports Real-time reporting Music on hold Advanced supervisor interface Shared voicemail Granular RBAC (role-based-access) Presence-based routing Skills-based routing Microsoft Feature List: https://learn.microsoft.com/en-us/microsoftteams/manage-voice-applications-policies