Call logs include the date when you have called, the telephone number to which you called and the duration of the conversation. You can also add notes to the call log. You can review call logs by the telephone.
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.