You can change your voicemail password by calling (800)-331-0500 from your iPhone. You’ll reach AT&T’s automated customer service menu which will ask for your phone number and billing zip code. A few seconds later, the message “Password Incorrect – Enter Voicemail Password” will appear on the display of your iPhone. Enter the last seven digits of your cellphone number to change your voicemail password. I strongly recommend that you read AT&T’s support article on changing your voicemail password before attempting to do so.
You could also record a custom greeting in a visual voicemail app, if you have one installed.
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At this point, we can’t be exactly sure why your iPhone won’t play voicemails. The voicemail you play in the Phone app on your iPhone is called Visual Voicemail, which downloads your voicemails from your carrier in the form of little audio files, similar to the music files you listen to inside the Music app.
Learn how to delete Voicemail messages from your Apple® iPhone® by following these steps.
Open the “Settings” on your phone.Go to “Phone Apps or “System Apps” and open it.
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1. Check Your Voicemail Settings. First, you should make sure that your voicemail settings are correct. You can check these settings for yourself using the Phone app on your device.
Setting up a new voicemail message is the same on any iPhone that runs iOS 9 or higher. Use the steps below to set a custom iPhone voicemail message.
1. Set up voicemail. To set your voicemail box using the phone connected to your AT&T Voicemail (such as your home number), follow these steps: Dial *98 or dial your Access Number.
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If this does not successfully link you to your voicemail account, follow the steps outlined below. Press the three dots on your keyboard (upper right corner of the screen)Select “Settings” from the drop-down menu.Select “voicemail” from the drop-down menu.Select “Advanced settings” from the drop-down menu.“Setup” should be selected.Click on the “voicemail number” option.Enter your ten-digit phone number and press the “OK” button.To return to the main menu, press the home button. Obtaining Access to Your Twigby Voicemail from a Different Phone:
4. Request to have your voicemail service disabled. Once the representative or automated message confirms this has been done, you can hang up.
5. The current personal greeting will play; then tap "2" again to record a new greeting.
If the you haven't changed your personal greeting, a default system greeting will be played for callers. For example, "Please leave a message for John Smith. After the tone, please record your message. When you finish recording hang-up or press the pound key for more options."
Your voicemail service is usually controlled by your mobile carrier, therefore, the most reliable way to turn off your voicemail is to ask their support team to disable it:
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