private branch exchange

Noun

Meaning

private branch exchange (plural private branch exchanges) (abbreviated as PBX)

(telecommunications) A telecommunications switching system, physically located at a customer's place of business, that provides internal communication between users and also access to outside (trunk) telephone lines.

Source: en.wiktionary.org

Examples

DECT is used primarily in home and small office systems, but is also available in many private branch exchange (PBX) systems for medium and large businesses. Source: Internet

In the case of enterprises with a private branch exchange (PBX) switch, the ringdown can be operated by the PBX key. Source: Internet

The MDF in a private branch exchange performs functions similar to those performed by the MDF in a central office. Source: Internet

Some businesses use a telephone network on a greater scale through a private branch exchange. Source: Internet

The service provides routing of telephone calls from a client's private branch exchange (PBX) telephone system to the public switched telephone network (PSTN). Source: Internet

Close letter words and terms

private benefit private benefits private bill private brand private bureau private business