Testing Outgoing Calls
The following shows dialing a number to make an outgoing call

The following image shows Teams is calling the number

The call is established

If you check the Monitoring Tab of the SBC Web Interface while making a call, you will see something like the following image when the call is ringing

When the call is established, you will something like the image below.

Testing Incoming call
When making incoming calls, I managed to see the notification pop up of Teams client on the Desktop of Windows

The following call shows that the incoming call is established

