"Voice messages" refers to recorded audio messages that are sent or received through various communication platforms, such as mobile phones or messaging apps, instead of writing or typing a text. Full definition
She's also a fan of sending voice messages and notes, and even old - fashioned texts to keep up her normal social life. (buzzfeed.com)
If you prefer, you can leave a recorded voice message for people to listen to so they can discover what you sound like and gain a little more information. (cupidnights.com)