The
service allows you to check the voice mail not being by the phone or computer where the mail
comes. All one has to do is dial a special number (usually given by the
communication provider) and listen to voice mails.
IDC projected over 9 billion minutes of voice traffic to travel over worldwide packet networks in 2000, exceeding 135 billion minutes in 2004. Service revenue is projected at 1.6 billion in 2000 and 18.7 billion in 2004.