When you first set up your Android phone, it may ask you to record your greeting for the caller. You can also keep the default greeting stored on the device. But, in future, if you want to customize the Voicemail greeting or want to create a new one, then you may need to delete the old recordings from Android. It may not be necessary depending on the Android device model & version; it’s good to know the process.
When you receive a new voicemail, the Voicemail icon will appear in the notification bar. You can also access your voicemail to check your messages by selecting and holding the One (1) key from the dial pad, follow these steps: From any Home screen, tap Applications. Scroll to and tap Visual Voicemail. Scroll to and tap the voicemail message you want to hear. Tap the blue Play icon to listen to the message.

How do I change my voicemail message from another location? Altering your Voice Mail Password, your Voice Mail Greeting, or your Voice Mail Call from a remote phone: Dial your Voice Mail Gain Access To Number. Enter your 10 digit telephone number. Enter your passcode. Press U (8) to go into User Choices, then: Press G (4) to change Welcoming.
1. Open your Android’s Phone app. It usually looks like a phone receiver at the bottom of the home screen.