Telephone 118 Telephone companies 47 Telecommunication 44 Law and legislation 43 History 34 Social aspects 22 Cell phones 17 más ... Emergency reporting systems 17 Competition 16 Consumer protection 16 Telecommunication policy 16 Telephone selling 16 Aspect social 14 Corrupt practices 14 Téléphones cellulaires 13 Cell phone services industry 11 Long distance telephone service 11 Employees 10 Fraud 10 Government policy 10 TECHNOLOGY & ENGINEERING 9 Telemarketing 9 Telephone operators 9 Histoire 8 Privacy, Right of 8 Rates 8 Taxation 8 Téléphone 8 Cell phone systems 7 Deregulation 7 menos ...