Website: https://toolbox.iskysoft.com/iphone-recovery/reset-voicemail-password-iphone.html
If your voicemail has been set up and you are unable to change your greeting through the 'Voicemail' tab, dial *86 then choose option 4 to change. From a Home screen, tap the Phone app . If an app isn't available on your Home screen, swipe left to access the App Library. Tap Voicemail then tap Greeting …
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As with most technology and applications, experiencing glitches at times is normal. We may not be able to pinpoint the cause of why you are not able to delete your voicemail messages, but here are three things you could try via your Android phone to solve the problem:
Deleting Voicemail Greetings from the phone is quite an easy process. You need to follow simple steps for it. Let’s check them:
You can play a voice message at different speeds and pause/resume the message, using desktop client visual voicemail, or by dialing into their voicemail. Pressing a certain key on your phone controls how you can hear the voicemail: Read your voicemail transcription
Website: https://www.online-tech-tips.com/smartphones/voicemail-not-working-on-android-a-troubleshooting-guide/
The ability to access voicemail will be restricted until your voicemail password has been reset if you have lost or forgotten your voicemail password. Setup Voicemail on the Samsung Galaxy S20 Ultra (Instructions) Setup the Voicemail on your Samsung Galaxy S20 ULTRA
The tutorial performed below was done on an iPhone 5 that is using the iOS 7 version of the operating system. Your screens may look different if you are using a different version.
Website: https://www.payetteforward.com/my-iphone-voicemail-password-is-incorrect-heres-the-fix/
Note: Alternative method is to dial *86 (*VM) and then tap the Dial symbol on the screen.
3. Setting Up an AT&T Visual Voicemail: Open your iPhone's Phone app. It's the white phone icon on a green background on the Home screen. Tap "Voicemail". It's in the bottom right corner of the screen.
Once recording is completed, hit Tap to stop recording. Your recording will be saved and displayed as Custom greeting. To listen to your greeting press Play button.
How do I record my Voicemail Greeting over the Phone? Dial the Voicemail Access extension 899 (default) Enter password followed by #. Press 0 for Mailbox Options. See Also How do I record personal greetings for Voicemail Options.
How how how can that be??!! This is the year 2016, and I can’t set basic options like the number of rings! Actually I too want to turn off voicemail completely. I am aghast to read I don’t have a choice.
You could also record a custom greeting in a visual voicemail app, if you have one installed.
For those who prefer not to use the Phone app, you can set up voicemail by selecting and holding the 1 button on your keyboard.
3. Once there, tap on "Greeting" in the top-left corner. Your iPhone will take a few moments to fetch and load your current voicemail greeting, which you can play using the controls in the middle of the page.