Open the Phone app (the green icon at the bottom of your home screen), then go to the Voicemail tab. Go to Set Up Now. Create your voicemail password and tap Done when complete. Enter your password again and tap Done to confirm. To select a greeting, choose Default or create your own by selecting Custom, then tap Done when complete.
On the home screen, expand the App Drawer and tap on the entry named Visual Voice Mail. You’ll be taken through some introductions screens that will showcase some of the capabilities of Visual Voicemail. Tap on Start to configure the service.If you’re a new customer or you haven’t gotten around initializing your voicemail, you will be prompted to do so. But if you followed the first guide, that won’t happen. In any case, after you enter your voicemail password, tap on End Call. After a short waiting period, your Visual Voicemail should now be configured. From the next screen, you can Set your personal greeting or hit Ok to skip this step. To check a voicemail with this service, open the App drawer from your home screen and tap on Visual Voicemail.You’ll see a list with all your voicemails. You can select them All or tap the New tab to only display the ones that you haven’t listen to so far. After you open a voicemail, you can listen to it by tapping the Play icon. To delete a message, tap the trash icon then tap Delete.

If you persistently can’t save your greeting, you may need to reset your phone’s network settings. The iPhone needs to access your network’s data connection to save changes to your voice mail configuration, and if it can’t connect to 3G or 4G, it won’t save the changes.
1. Business voicemail greeting samples. If you have a main business phone number that’s shared with the customers or publicly listed, you’ll want to make sure it has a professional voicemail message to greet callers.