Website: https://www.reddit.com/r/iphone/comments/3xuac5/cant_change_voicemail_greeting/
Besides creating an audio file in the right format (Adaptive Multi-Rate), you also need to trick the iPhone to upload your new greeting to the AT&T servers:
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Open the “Settings” on your phone.Go to “Phone Apps or “System Apps” and open it.
Website: https://support.8x8.com/express/devices/voip-phones-headsets/8x8-express-how-to-create-or-change-outgoing-voicemail-message
Website: https://www.msn.com/en-us/news/technology/how-to-set-up-voicemail-on-your-android-phone/ar-BB1c3igC
View your Access voicemail messages for information on how to better manage your voicemail. Check out Troubleshoot Voicemail for solutions to some of the most frequent voicemail issues.
Tired of telemarketers on your iPhone? Learn how to block callers on your iPhone so that you don’t have to deal with any calls from them.
Website: https://www.online-tech-tips.com/smartphones/voicemail-not-working-on-android-a-troubleshooting-guide/
AT&T: If you’re an AT&T customer, you have the option of creating your own basic voicemail. You’ll need to press and hold the 1 key down while you’re on your phone. AT&T will then ask you to set up your greeting via voice prompts.
To get your phone back online, you will need to perform a two-stage firmware upgrade. Because of a change in the Cisco Certificates used to sign the firmware, phones whose factory-firmware is pre-8.3(3) must be upgraded to a firmware version in the range 8.3(3) - 8.5(2), then you can upgrade to whatever the version is you are running with your CCME installation.
See the overview for more information on these greetings/messages. Call Handling section Greeting & Leave voicemail instruction : You will only see this option if you select Forward to voicemail in your call handling settings and disable the options to Allow callers to reach an operator and Allow caller to check voicemail .
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3 hours agoStep 2: Change Voicemail Greetings for iPhone. Simply select "default" option to use the default settings of the voicemail on iPhone. And if you want to change voicemail greeting on iPhone, you can select one audio file from iPhone 7 or customize the …
Extension users can dial *2 on your phone to access the voicemail menu. Below is the detailed voicemail menu.
I put in a 7-15 digit password and click Done, but I get the message “Voicemail Error” try again later everytime. Help.
If you're setting up a new Samsung Galaxy S10, you should know how to set up your voicemail as well, so you never miss any important messages.
Website: https://support.youmail.com/hc/en-us/articles/204255983-Assign-or-Change-Greetings-on-an-iPhone