Android phones can access voicemail by holding down the 1 key on the dial pad until the phone dials your 10-digit phone number. You will automatically connect to your mailbox and be prompted to enter your temporary password; this password is the last 4 digits of your phone number followed by the # key. Start the Google Voice app. Tap the three horizontal lines at the top left of the screen (sometimes called a hamburger menu), and then tap “Settings.” In the Voicemail section, tap “Voicemail greeting.” Tap “Record a greeting.” How do I access my voicemail? To call your voicemail on an Android phone, simply open your phone’s dial pad and hold your finger down on the “1” key. You can also call your voicemail from a different phone by calling your own number and tapping the pound key. How do you check your voicemail?
I’m glad visual voicemail is in the works. Can you provide a rough estimate as to how far into the future it may be? Thanks.

Experts recommend fully charging all your electronic devices in advance of a storm, turn off any features you’re not currently using, communicate by text (rather than voice) whenever possible, and power down your devices when you’re not using them. Arturo Garcia Published 13 September 2018
Dial your phone's extension, or hit the message button on your phone. When the prompt begins to play, press *1234. Press 0 to access mailbox options. Follow the prompts to record your name and/or voicemail greeting. FEATURES.