Putting the call on hold by pressing the “Flash” button; the holding time is not limited. The function could be easily used at the moment when the second call has entered the line. By pressing the hold button the conversation will be set on pause and another call can be answered, finishing which you can return to the one which is on the pause mode.
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.