AudioCodes Mediant 4000 ESBC (Enterprise Session Border Controller) belongs to a family of AudioCodes Enterprise Session Border Controllers, providing security and connectivity amongst VoIP network service providers and enterprises.
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.