The phrase "a private branch" is correct and usable in written English.
It can be used in contexts related to telecommunications or organizational structures, often referring to a private branch exchange (PBX) system in telephony.
Example: "The company installed a private branch to manage internal communications more efficiently."
Alternatives: "a private network" or "a private division".
One is the data network; another is a "private branch exchange" (PBX) for external phone calls; a third is an "automatic call distributor" (ACD) to route calls internally; and the fourth is a voicemail system.
It is capable of providing users with a private branch exchange (PBX) so customers can set up their own voice service.
Enterprise femtocells aim at satisfying indoor traffic demand with quality of service (QoS) at companies and they can offer additional functionalities, as the integration with a private branch exchange.
The definition still creates confusion because, for example, a "trunk" at a private branch exchange (PBX) installed in an industrial plant or in a business office ends up as a "line" at the central office, while a private circuit or "tie-line" between two PBXs is functionally identical to a trunk between two central office switches.
Using software you install on your PC, you can take complete control over all the phones in the house and turn your internal phone network into a system like a private branch exchange (PBX) not unlike what you might find at the office.
The new consulting engineer to the company, William Cubitt, rejected this idea and recommended a single site to the south of the railway line, served by a private branch line through the cemetery.
Asterisk can be considered as a complete Private Branch Exchange (PBX ) or Software complete PBX and provide all PBX features.
A virtual PBX (Private Branch Exchange) can be configured through a Web-based interface.
Since then it has acquired Dash, a server-based private branch exchange vendor in 1997, and Algo, a unified messaging company in 1998.
This chapter provides an introduction to private branch exchange (PBX).
So, they switched to a Web-based virtual private branch exchange, or PBX, system.
