When using a Cisco phone, you can record and change your voicemail greeting directly on the phone. For the following instructions, to select an option, you can use the phone's blue toggle button to scroll down and highlight the desired option, and then press the Select soft key. Press the Services (globe icon) button on the phone.
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?

Instead of being able to listen to avoicemail directly on their iPhone, theVoicemail section of the Phone app instead prompts users to"Call Voicemail." An Apple support document suggestsresetting your Networks Setting to return to VisualVoicemail. You can do this by navigating to Settings> General > Reset. How do you change your voicemail number?
In the event that you are requested, enter your voicemail password and then follow the on-screen instructions to set up your voicemail.