Go to the website of AceThinker Online Audio Recorder, and click on the "Start Recording" button from its main page. For starters, click on the "Open Apowersoft Online Launcher" button to launch the audio recorder. Next, plug one end of your audio cable to your computer's microphone jack and the other end to your phone's audio jack to connect both devices.
Changes can be made to voicemail settings on the phone through the voicemail options audio menu only after the initial voicemail password has been set up in Account Manager, Work for Desktop, or Virtual Office Online.

This guide will show you how to change the iPhone voicemail message on iOS 9. Even if you don’t use the iPhone for calls very often this is a great thing to do, since you may end up sending more calls to voicemail.
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?