A "voicemail system" is a technology that allows you to receive and store recorded voice messages from others when you're not able to answer your phone. Full definition
As with other visual voicemail systems, you do not have to call into a voicemail center to retrieve your voicemails. (crackberry.com)
Users also have Jobs to thank for Visual Voicemail, which chucked the standard voicemail system for a non-linear «push to listen» interface, a feature other smartphones now have too. (fortune.com)
Efforts to reach NYSAR ran afoul of the association's labyrinthine voicemail system. (hudsonvalleyone.com)