Cannot set up VM Greeting

I trust this is not a duplicate question. I thought I posted one earlier today, but I cannot find it, so I am assuming I did something wrong. So here it is again.

I am trying to set up my VM Greeting with a Samsung S7 Edge. I go to the RW app, Settings, Voicemail Greeting and press the red button. But nothing happens. No phone voice with instructions, nothing.

Is there something simple I am missing?

I think you are just suppose to start saying you message at that point

I did follow those instructions and it still did not work. I just tried using the RW app routine and that worked. So all is well now.

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