Microsoft Teams Administration Cookbook

Chapter 3. Microsoft Teams Voice: Voice Users Deployment

Teams offers collaboration, communication, and productivity in one neat package. It’s Microsoft’s take on group chat, with an emphasis on team collaboration. As part of that team collaboration, users can share their calendars for meetings and more. However, as we’ll see in this chapter, there are some limitations to the built-in calling features in Teams.

The good news is that it’s possible to have a seamless experience using your organization’s existing phone system and integrating it with Teams. Let’s say you want to optimize your voice conversations by using just one application, instead of switching between different apps. There is more than one solution for this problem. Read on to understand the different voice options in Teams and how they can help you get the most out of your collaboration tool.

3.1 Selecting a PSTN Connectivity Option for Teams

Problem

You need to plan for the best Public Switched Telephone Network (PSTN) connectivity solution in order to deploy voice in Teams for your organization.

Solution

Microsoft offers multiple ways to connect Teams to the PSTN to make inbound and outbound calls. Each solution has its pros and cons, and you’ll need to consider the best fit for your specific requirements. Some options for connecting Teams to the PSTN include:

Direct Routing

You can deploy one or more Session Border Controllers (SBCs), or devices that will manage the connection between the PSTN (via a trunk ...