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?
When you stop recording (either by ending the call or hitting 4 again), the call is saved to your inbox. If you want, you can listen to or download the call from there. You can also listen to calls through the Google Voice app. Just tap the menu button at the top left of the screen, and tap “Recorded.” Then choose which call you want to listen to.

Visual Voicemail makes it simple for you to keep track of the messages you have received.
Step 8: All call recording audio files can be found in the My Files app in Internal Storage > Call folder. You can also view all call recordings from the Phone app by going to Phone app > 3-dot menu button > Recorded Calls.