A voicemail greeting is a simple message that plays before callers leave a message. It may play either when you don’t answer or if your phone is off. A professional greeting may encourage people to leave messages, which in turn makes it easier for you to get back in touch. Keeping that communication open and efficient may lead to better business relationships. It also helps you put forth a professional image for your business.
Voicemails are recorded on your network as audio files and are downloaded to your phone. They are then played back in the usual way, just through the phone app rather than through the music app. Any voicemails you have are visible in the Voicemail app and should be able to be played back by pressing the play icon. This doesn’t always work, though. Here are some fixes you might try.

Step 8: All call recording audio files can be found in the My Files app in Internal Storage > Call folder. You can also view all call recordings from the Phone app by going to Phone app > 3-dot menu button > Recorded Calls.
27. Hey, this is [your name], but you should know that already since you called me. I’m obviously not here right now, so I won’t patronize you by telling you what to do after the tone.