For many businesses and professionals, your voicemail greeting is going to be the first point-of-contact for your customers. This is especially true for service businesses, who often rely on their voicemail to collect information from interested parties.
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.

5 Best Methods to Record Phone Calls on iPhone. Using Voicemail. Using Google Voice. Using a Third-party call recorder. Using the speakerphone function. Using an external recording device. Method 1. Using Voicemail. Using voicemail is the simplest way to record phone calls on iPhone without installing any app.
While this app has the exact same name as the iOS app we listed above, it’s made by a completely different developer. This version includes customizable skins and the ability to record calls or notes as MP3s. Instead of having to tap a button, you can also simply shake your phone to instantly start recording a call. You can also choose to sync your stored calls with Dropbox and select particular contacts whose calls you always want to record (and store).