Overview
A telephone company (電話会社, denwa kaisha) is a company that conducts voice business through intercommunication by using telephone lines or radio waves of a defined frequency.
Specifically, they are corporations that provide telecommunications services such as fixed-line telephones, public telephones, IP telephones, international telephones, and mobile telephones.
These companies are bound by the laws of each country and may be subject to various regulations when they are established or acquired.
