I know you’re thinking what does recording an iPhone call have to do with voicemail, but it turns out that a simple trick allows you to use the service to record any phone call, and it works great. Not only will you get the recorded phone call, but you’ll be able to save and share the call recording as an audio file as well.
Rehearse or write down your message before recording it. Remember that old saying “practice makes perfect?” It’s certainly true when it comes to creating an electronic greeting. The more you’ve rehearsed, the easier the message will be to restate. If you don’t have time to practice, writing down the greeting before recording it – and then reading it aloud from the paper – may help you stay focused on the correct wording.

Call your home phone number. Press # to interrupt the greeting, and then enter your PIN. Follow the prompts to listen to your messages. (Note: In some areas, the # key will not interrupt the greeting. Try pressing * or 2 instead.)
Activating voicemail on an Android phone 1. Turn on the power for your phone and open the Phone app. Turn your phone on and tap the Phone app, as if you were going to call a person. 2. Open the dial pad so that you can enter your voicemail system's number. Next, tap the dial pad icon in the bottom-middle of the screen. 3. Call your voicemail