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
Try using your voicemail and see if the problem still exists. Method 3: Setup Your Visual Voicemail. If you are unable to set up your voicemail through phone settings, then you can try setting it up through your carrier. Voicemail is related to your carrier and it is best to be done this way. This may not work for all kind of carriers.

The default voicemail greeting on theiPhone plays generic Your call has been forward to anautomated voice message system recording. If your phone is forpersonal use, create a personalized greeting so people hearyour voice and know they called the right number. Open the Phone app . Press and hold "1" to call your voicemail. Enter your PIN and press "#". Press "*" for the menu. Press "4" to change settings. Press "1" to change your greeting. Follow the recorded instructions. On your Android device, open the Voice app . At the top left, tap Menu Settings. In the Voicemail section, tap Voicemail greeting. Tap Record a greeting. Tap Record . Record your greeting, then tap Stop . Choose what you want to do with the recording. To listen to therecording: Tap Play .
You do need a visual voicemail for the last option. That is something that is provided by your cell phone provider and most cell phone provider have it by default. if you don't see it, call them and see if you can add it.