As you probably know, your application will definitely use STUN if you want it to work in the real world. Using STUN will be enough for most cases, although you will have to use TURN in many situations—especially when working with enterprise customers, because they usually have very strict network firewall policies and complex network configurations. Using TURN can be the only available solution for customers located in some places, for example, some countries might have specific network access limitations that cause issues for network applications that are WebRTC-based.

So in this recipe, we will cover how to debug TURN.