The evolution of telecommunications regulation.- Changes in the telecommunications market.- Challenges for tomorrow's networks.- The rise of digitization.- Optics, the key to very high bit rate networks.- Radio access, the key to global mobility.- Adapting existing wired access to digital.- Packet mode, the key to multi-bit rate networks.- Quality of service and IP traffic engineering.- Software techniques for telecommunications.- Network control and service control.- Signaling protocols.- Information systems.- Application protocols.- Description languages.- Security techniques.- A synchronous multi-service transmission network on optical fibre.- A 64-bit switched digital network.- Data networks.- Audio and TV networks.- Mobile networks.- Customer Premises Equipment and private networks.- The dawn of high-speed packet networks.- The foundations of NGN.- NGN Customer Premises Equipment.- NGN: Defining the reference architecture.- Information systems and NGN.- The new network economy.- Towards NGN.- Digital transmission systems.- Multiple access techniques.