http://www.articleheaven.net en-us editorial@articlealley.com Land line phones, cell phones and corporate PBX all contain voicemail as a standard feature. Voice mail delivers to the recipient a recorded audio message. Voice mail includes three basic aspects. VMS contains a user interface to select, play and manage m... http://www.articleheaven.net/unified-messaging-and-voice-mail-changing-business-forever-2194665.html 20th April 2011