Direct Routing allows you to connect Teams to preimum voice service providers. This allows you to take advantage of cheaper call rates, more flexibility, and better support. It’s also helpful for users locked into existing contracts with other PSTN providers. They can use Teams without any contract violations.
Put simply, Direct Routing enables users to make and receive external calls within their Microsoft Teams environment. By default, Teams does not have any capability to make and receive PSTN calls.
Please find our guide to enabling full voice capability in Microsoft Teams. Allows full PSTN breakout onto a public network all from your Teams software.
In one place and all together.