You cant call through a channel the only thing you can do to call groups of people is having a group chat just like Skype for Business and clicking call on it.

Set up conference call microsoft teams. First its important to make sure that all parties are using Microsoft Teams compatible phones. To start a conference call open Teams and go to Calls. To set up a conference with two other callers.

Open the Voice drop-down menu on the left then select Phone Numbers. Once your Microsoft licenses are in order you can set up your audio conferencing phone number through the Microsoft Teams Admin Center. How to Start a Conference Call on Microsoft Teams.

From the Dashboard click Users select the user from the list and select Edit. Give the group a name for example give it the name of the project youre working on. When I send him an email invitation to join a meeting and he clicks join the meeting the following see attached file sorry it is in german opens.

Get the licenses that you need. From here users can have the meeting call and join them or dial in manually to the meeting. Thanks for your quick response but I still do not know how it works.

If you want you can add a subject to the video call. Click Add to create a new phone number. For more on setting up Microsoft Teams see our tutorials on Everything Microsoft Teams and How To.

Go to Calendar on the left side of the app and select New meeting in the top right corner. From there setting up a conference call through MS Teams requires the following steps. A conferencing bridge can contain one or more phone numbers.