Any need to use dm.yealink.com with STUN?

[ElementalWindX]

I have an dm yealink account setup, however I'm curious, do I really need this to work with 3cx STUN? Does this give me any flexibility with fixing phones whenever there is an issue? Trying to learn more about this portal.

 

[cobaltit]

They are one and the same. One you have control over, one you don't