This data usage will be taken from your data allowance when the message is received. Once the message is received, it can be listened to without any further data connection & without incurring further cost.
Now, you will hear the Voicemail greetings instruction recorded on the phone. You will be asked to press a specific number to change the greeting. Follow the instructions and press that number.

After setting the number on your voicemail, you must also record a personal voicemail greeting. Follow the steps below. Start the Phone app. if you don’t see the numeric keypad, tap “Keypad” at the bottom of the screen. Tap and hold the “1” for about two seconds until the phone automatically calls voicemail. Immediately tap “3” to access voicemail settings. Listen to the options. On most voicemail systems, tap “2” to start the process to record a new greeting. The current personal greeting will play; then tap “2” again to record a new greeting. Say the greeting you want, and tap “#” when you’re done. To save the greeting, tap “1.” The personal voicemail greeting has been set. Hangup the phone. How to setup voicemail using a Visual Voicemail Applications
Voicemail is included with Home Phone and Home Phone Plus. Setting up your voicemail The first time you call into your WOW! Voicemail, you will need to call from your home phone. Dial your ten digit home phone number, then enter the default PIN of “ 9 6 9 9 2 waiting notification. The message waiting light on your phone ”. Once you enter ...