2. If you don't have a Voicemail app on your phone, or you aren't sure how to find it, you can still set up your voicemail using the Phone app. Tap on the Phone app to open it.
You will be asked to delete your current Voicemail greeting. Click on the ‘Yes’ button that appears on the screen if you want to remove that. You can save your new recorded Voicemail greeting or can use the default recorded option. Wait and hear the new Voicemail greeting message that the instructions speak out. If you want to keep that recording as your Voicemail greeting, then save it. Or you can re-record the message to get a different greeting.

iPhone:Go to the Phone app, then tap the Voicemail tab. Tap Set Up Now.Create a voicemail password, then tap Done.Enter your password again to confirm it, then tap Done. Select Custom or Default. If you choose Custom, you can record a new greeting.Tap Done to save your greeting.Android:From a Home screen navigate to Phone icon > Menu icon > Settings.
I can’t recall the last time I used a Nokia phone—it’s been that long for me, too—but my initial thought is that the best way to preserve this voicemail is to simply record it using