Telephone companies Competition 18 Telecommunication 18 Consumer protection 13 Corrupt practices 12 Mergers 12 Long distance telephone service 10 Telephone 10 Law and legislation 7 Access control 6 Deregulation 6 Fraud 6 Telephone slamming 6 False personation 5 History 5 Prevention 5 Telecommunication policy 5 Consolidation and merger of corporations 4 Consumers 4 Government policy 4 Governmental investigations 4 Information services 4 Privacy, Right of 4 Wireless communication systems 4 Cable television 3 Cell phone services industry 3 Records and correspondence 3 Access charges 2 Employees 2 Evaluation 2