This article discusses how to enable the Teams client app on your Android device to generate notifications when a ConnecttoTeams SMS arrives.
In order to receive SMS Notification on your Android device, you must allow notifications in both the Teams app settings and Android Settings.
1. In your Android app, search for the Teams tile, long press and then click App Info. Make sure the Notifications is On.
2. In the Teams app that is running on your Android device, select the Notifications option from avatar menu. Select Notifications.
Make sure notifications for "App on Teams" is checked.
If you are having trouble receiving notifications on your Android device, check the following:
If you have "Block notifications" settings based on Quiet Hours or "When Active on desktop", try turning these options off for testing purposes.
For more information, Microsoft’s published a guide to manage notifications for the platforms Windows, Mac, iOS, and Android here : Manage notifications in Microsoft Teams.