Step 7: Touch the Play button to hear the recording. If you are happy with it, you can touch the Save button at the top-right of the screen. Otherwise you can hit the Record button to record a new message.
4. Pay attention to the available options. To record a fresh greeting on most voicemail systems, use the “2” key to initiate the procedure.

If you don't create call answering rules, incoming callers will be sent directly to your voice mail when you’re not available.
If your carrier supports the iPhone voicemail feature, you can retrieve and listen to your voicemail right from within the “Phone” app and call your contacts back by simply tapping their messages. That type of functionality is pretty neat and useful, because it saves you actual time. If not supported by your carrier, you will not be able to see the visual overview of your voicemail inbox and use any of the related features. Tapping the “Voicemail” tab in your “Phone” app will simply call the number associated with your voicemail box. So let’s get going with creating our custom voicemail greeting on iPhone! How to record your own Voicemail on iPhone Phone → Voicemail → Greeting → Custom → Record → Save