Visual voicemail
From WikiCover
Visual Voicemail, available first on the Apple's iPhone, allows consumers to see a listing of their voicemails, decide which messages to listen to, then go directly to those messages without listening to previous messages. Just like email, Visual Voicemail on iPhone enables users to immediately and randomly access the messages that interest them most. Unlike most wireless plans that charge additional fees for new features, there are no additional fees for Visual Voicemail in the iPhone service plans.