Why I can't listen my voice messages?

[iMore Question]

When someone send a voice message, I can't listen to it;
Also a video message can't be
Listen

 

[Annie_M]

Hello and welcome to iMore! Have you checked with your Carrier to see if there's a problem?

 

[Quis89]

Does all other audio play just fine?

 

[wilber1]

Voicemail should be set up with your carrier with a proper password to enable listening to messages .