Simplesat's Microsoft Teams integration uses Incoming Webhooks as the connector.
Open Microsoft Teams and go to Apps > Connectors > Incoming Webhook
Choose the channel that you'd like messages to be sent to.
Note: MS Teams has a 1:1 relationship between webhook:channel. So you'll need to create multiple webhooks to send messages to different teams. (which is possible with Simplesat)
In the integration settings, add Simplesat as the name, and upload the logo icon:
You can download the Simplesat logo icon here:
Copy the webhook URL:
Then paste it in the Microsoft Teams channel configuration modal: