Why are my voicemails not showing up on my iPhone?
Make sure that you have the latest version of iOS. Check for a carrier-bundle update: Go to Settings > General > About. If an update is available, a message will ask you to update. To check your cellular network connection, try to call someone.How do I listen to my own voicemail greeting on iPhone?
Why can’t I hear my voicemail?
Check Your Voicemail SettingsFirst, you should make sure that your voicemail settings are correct. You can check these settings for yourself using the Phone app on your device. This app (and its settings menu) will look slightly different, depending on your device model and Android version.