For some businesses, Microsoft Teams can eliminate the need for on-premise infrastructure.
In order to have a functional phone system you need the following:
Microsoft Teams Phone System provides the call routing. By adding internet connectivity and access to the PSTN, customers can deploy a cloud PBX using Teams.
Microsoft Teams Phone System allows users to use the Teams app exactly the way you use your regular phones, and you can do so with any device running the app as long as they are connected to the internet.
Make and receive calls anywhere using a desktop handset, mobile or PC.
Manage your phone system via the Teams for Business admin portal.
CONFERENCING High quality voice and video conferencing for up to 250 participants.
Make and receive calls within Office 365 and Native O365 applications.
Call transfer, call waiting, music on hold, call queues - and more.
Make and receive voice or video calls, worldwide.
Teams Phone System offers the same functionality and features on desktop, laptop and mobile devices
Microsoft Teams integrates with many telephone systems on the market today, including Mitel and Avaya, ensuring customers can maximize their phone system investment.