You can avoid accumulating voicemail by setting up call forwarding on your iPhone. You can dial a short code to quickly disable voicemail, but this method doesn't work for all carriers.

Saving voicemails on iOS Saving a voicemail on an iPhone involves sending the file to a storage option of your choice. Here’s how to do it. Storage options can vary depending on what apps are ...

When your iPhone and Mac are connected ... Whether you need to disable notifications entirely, enable them selectively, or fine-tune app-specific alerts, the tools are readily available to ...