Telecommunication Privatization 8 Switching systems 8 Technological innovations 7 Computer network protocols 6 Management 5 Mobile communication systems 5 Government policy 4 Social aspects 4 Traffic 4 Asynchronous transfer mode 3 Economic aspects 3 Employees 3 Fiber optics 3 Information technology 3 Marketing 3 Training of 3 Wireless communication systems 3 Case studies 2 Communication and technology 2 Comparative studies 2 Computer networks 2 Consumer satisfaction 2 Consumers' preferences 2 Digital communications 2 Equipment and supplies 2 Multimedia systems 2 Optical communications 2 Quality control 2 Security measures 2