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
5. On your dial pad, press “1” to listen to your messages, the most recent message should play first.

The very first thing to be checked is, have you set up the voicemail earlier or directly recording the voicemail greeting? If you haven’t already set up the voicemail and unable to record voicemail greeting, then go to the top of the page and learn how to set up voicemail on the iPhone.
Ooma gives you several convenient ways to change your voicemail settings. You can access your initial setup by pressing the "play" button on your Ooma device.. You can then change your voicemail settings (including your greeting and name) by connecting to your voicemail and then hitting the option "2" from the main voicemail menu. Users can also access voicemail controls from any phone by