Why doesn't my IVR greeting play?

Question

I am calling my Talk number, but the IVR menu I configured never plays. Why is that? 

Answer 

Adding a number that is already inside your account as an external number may prevent the IVR greeting from playing correctly and can cause the Available agents greeting to play instead. For more information, see the article: Managing outgoing greetings.

We recommend that you remove the number from the External numbers list if you already have it in your account.