Step 4: Select ‘Custom’ and record your own greeting if you want a more personalized greeting. Check your work by playing it back to yourself.
With Visual Voicemail on iOS 9 you can listen to a Voicemail easily and you can also save or send a message on to someone else through iMessage or email.

When you get a voicemail, you can check your message from the notification on your phone. Swipe down from the top of the screen. Tap Voicemail ….You can call your voicemail service to check your messages. Open your device’s Phone app . At the bottom, tap Dialpad . Touch and hold 1. How do you listen to your voicemail from a different phone? Call your 10-digit wireless number. When you hear your voicemail greeting, press the * key to interrupt it. If you reach the main voicemail system greeting, enter your 10-digit wireless phone number, then interrupt your greeting by pressing the * key. Can I listen to my voicemail without setting it up?
After my custom message has played, the automatic voice kicks back in giving instructions on how to leave a message & access additional options before the tone is sounded. How can I eliminate those automated instructions and proceed directly to the “beep?”