Part I: History and Perspectives on the Telecom.- Standardized Assets.- Network and Control Platforms.- Telecom Applications, APIs and Service Platforms.- Value Added Services in the Evolving Multimedia Communication Network.- NGN Standardization as a Strength.- Part II: A New Competitive Landscape between Operators, Device Makers and OTT Service.- Providers; Why Are the Operators Challenged and How they Can Compete.- A Short History of VoIP Services.- NGN Shortcomings.- An IT Perspective on Standards, Service Architectures and Platforms.- A Review: What Matters for Ecosystem Business Strategy.- New Regulatory Approaches in an Evolving Market Structure.- Part III: New Opportunities, Future Battlefields.- Virtualizing Devices.- Virtualizing Platforms.- Virtualizing Network.- Internet of Things.- Internet of Services.