But this is not necessarily the case, a spokesperson for AT&T Wireless, Tova Kline, told us. “There is no data or talk charge for changing your voicemail. However if you lose phone service, you won’t be able to update your voicemail message,” she said.
To enjoy the same music list on iPhone and computer, this tutorial will guide you to transfer music from iPhone to computer.

Choose a greeting—Default or Custom; if you choose Custom, you can record a new greeting.
Follow the instructions and press that number. You will be asked to delete your current Voicemail greeting. Click on the ‘Yes’ button that appears on the screen if you want to remove that. You can save your new recorded Voicemail greeting or can use the default recorded option. From the home screen, select the Phone app. Note: Alternately, you can set up voicemail by selecting the Phone app then selecting and holding the 1 key. Select Keypad, then select the Visual Voicemail icon. Select Start. Select Ok. From any Home screen, tap the Menu key. Tap Settings. Tap Call settings. Tap Voicemail. Tap Voicemail again. View the voicemail number. Press and hold the 1 on your device’s dial pad to call and connect to your voicemail. Press the star * key to access the main menu. Press 4 to access the mailbox options. Press 7 to change the language of the voicemail prompts to either Spanish or English.