What is a local network

Local network, the English name is network.

The local network is the abbreviation for the local telephone network, which is a telephone network consisting of a number of end bureaux or a plurality of end bureaux and sinks, a repeater, a long city relay, a subscriber line and a telephone terminal within the same long-distance numbering area.
Each local network is an automatic telephone exchange network, with a separate long-distance code, the area of the long-distance code is the scope of the local network. Within the same local network, users call each other with only local phone numbers.
The local network is formed by the expansion of the telephone network, the urban suburbs, suburban counties and villages to achieve the automatic conditions, the city and its surrounding suburb, suburban towns and rural areas together to form a local network. The purpose of the local network is to facilitate the development of telecommunications business, user-friendly, network construction integrated investment economy, improve efficiency, easy to manage.

An automatic telephone network consisting of a number of end bureaux (or terminals and sinks), a trunk link, a long city trunk line and a terminal subscriber lines in a long-distance numbering area. Also known as the local telephone network.

The main feature of the local telephone network is that there is only one local network in a long distance numbering area, and calls to dial only local phone numbers between users of the same local network, while users outside the local network are required to dial the long-distance program.

There are five types of local telephone networks in China:

(1) Beijing, Tianjin, Shanghai, Sui Mega City local telephone network;

(2) Metropolitan local telephone network;

(3) Medium city local telephone network;

(4) Local telephone network in small cities;

(5) County local telephone network.