Voicemails have been around in one form or another since the beginning telephone communications. This feature still manages to make its way on every smartphone, despite the rate in which technology is evolving. The reason for this is usefulness – you won’t miss any unanswered calls even if your phone is off. The voice messages from your callers will be transferred to your voicemail box and you’ll be able to listen to them at a later date.
That way you'll get to know exactly what other people hear when they call your phone and one last thing I wanted to show you. If you don't see that play on record option on the bottom, you don't have visual voicemail. Set up on your phone and that's through your provider. So if you have at and T sprint T-Mobile or any other provider, you need to have visual voicemail.

Messages play beginning with your first (oldest) unheard message or first (oldest) saved message. From another phone Accessing your voicemail from another phone is handy when you don't have your wireless phone with you or when outside a coverage area. To check your voicemail messages from another phone: Call your 10-digit wireless number.
2.) Você está conectado à caixa de correio do Sr. John Doe. Por favor, deixe uma mensagem que o Sr. Doe possa ligá-lo de volta o mais rápido possível. Muito obrigado pela sua ligação.