ObjectiveApplies ToProcedureChange Voicemail Settings in Account ManagerAdditional Information ObjectiveApplies ToProcedureChange Voicemail Settings in Account ManagerAdditional Information Please note: there is no default voicemail password. If you have forgotten your password, you can reconfigure it in your 8x8 Work application, or contact your system administrator. Note: Setting up voicemail for a Toll-Free Number or Virtual Number (such as your main company number) simply depends on what extension the number is pointing to. After that is established, you can proceed to set up voicemail for that extension using the steps provided below.
Go to the Phone app, then navigate to Voicemail. If you've never set up your voicemail, you'll be prompted to do so. Create a voicemail password and confirm it.

Professional voicemails are important, because they’re an extension of your personal brand, reflecting what level of professionalism you offer. Use these voicemail greetings for work or personal cell phone messages for your specific needs. You can choose a voice that will best suit your business and will deliver a warm and professional voice message. Your callers don’t want to hear a cold and indifferent machine voice. The information you want to put in your voicemail should be succinct enough for your callers to get every bit of information they need. Leave the relevant information in a clear and precise manner. Professional voicemail greetings for work should be informative. The first message the customer hears should have the company’s name so they can be sure they’ve reached the right number. Be courteous and informative. This could be their first point of contact, and you want it to be enjoyable. You may also like 30 Best Wishes and Congratulations for New Business Adventures If you’re going to make your voicemail message humorous in some way, it should be tasteful and aligned to your brand. It shouldn’t get in the way of giving customers enough information when they call. Your voicemail greetings for work should be welcoming and friendly but not too informal. Customers want to feel confident that they’ve contacted a professional, that the company values their call, and they have made the right choice. So be friendly but not too nonchalant. Your voicemail greeting should be clear, concise and to-the-point. You don’t have to put your clients through a sales pitch when they are trying to just get some information.
I have the same problem. I’ve also worked with the support line (via the chat option), and have been unsuccessful at getting it set up or enabled. “The voicemail box number is invalid…”, yet, if I call my number, I can leave a voicemail, but have no way to go in and retrieve it.