To check your voicemail messages from another phone: Call your 10-digit wireless number. When you hear your voicemail greeting, press the * key to interrupt it. If you reach the main voicemail system greeting, enter your 10-digit wireless phone number, then interrupt your greeting by pressing the * key. Enter your voicemail password when prompted.
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?

2 hours agoVoicemail Options. heading. Here's info on how to use your Voicemail service. Voicemail User Guide (PDF) - Setup Instructions. heading. Learn how to change voicemail password, set up greetings, check visual voicemail and use advanced features. This one page chart shows all you need to know.
To get your phone back online, you will need to perform a two-stage firmware upgrade. Because of a change in the Cisco Certificates used to sign the firmware, phones whose factory-firmware is pre-8.3(3) must be upgraded to a firmware version in the range 8.3(3) - 8.5(2), then you can upgrade to whatever the version is you are running with your CCME installation.