The service allows hiding the number from which you are calling. Thus,
you ensure yourself a guarantee that your number does not come to a
telemarketing agency and you won’t be troubled by endless calls with offers.
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.