A telephone system, also known as a private branch exchange (PBX), is a telecommunications system within an enterprise that switches calls between users on local lines while allowing external lines to connect to the public switched telephone network (PSTN). A key component of a telefon anlage is a private branch exchange (PBX), which is a telephone switch that connects telephone extensions within an organization to each other and to the outside world.
Telephone systems offer a number of benefits to businesses, including cost savings, improved communication, and increased productivity. By consolidating all of an organization’s telephone lines into a single system, businesses can save money on their monthly phone bills. Telephone systems also allow employees to communicate with each other more easily, which can lead to improved collaboration and productivity.