MightyCall App has a special feature in the mobile app, the network quality indicator. It helps you understand if your Internet connection is stable enough to proceed with the VoIP calls and, if not, allows using an alternative connection method.
The connection indicator will pop up once the connection is established. Depending on the network quality, you will see a green or a red indicator.
You can click on the indicator and see more details on your network with some additional information: