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Difference between PBX and PABX

Difference between PBX and PABX

Electronic exchange is a telecommunications switching device used to manage calls between two or more telephone users. There are two main types of electronic exchanges: private branch exchanges (PBX) and public branch exchanges (PABX). While both systems have their advantages, there are some key differences between them. In this blog post, we’ll take a closer look at PBX vs PABX exchanges and see which one is right for your business. Which type of exchange is best for your business? PBX or PABX? Keep reading to find out!

What is PBX?

PBX stands for Private Branch Exchange, and it is a telephone system used by businesses and organizations. A PBX system typically includes a central server that is connected to a PBX system. The PBX system then connects to the Public Switched Telephone Network (PSTN). PBX systems are often used by businesses because they offer a number of features and benefits, such as the ability to route calls, voicemail, and caller ID. PBX systems can be either on-premises or hosted in the cloud.

What is PABX?

PABX is a private automatic branch exchange, which is a telephone system used within a private enterprise. PABX systems are typically used in businesses and organizations with a large number of employees, as they offer a number of features and benefits that are not available with traditional telephone systems. PABX systems can be connected to the public switched telephone network (PSTN), or they can be used as an independent telephone system.

PABX systems typically have a number of features that are not available with traditional telephone systems, such as call forwarding, call waiting, caller ID, and voicemail. PABX systems can also be customized to meet the specific needs of an organization. PABX systems are typically more expensive than traditional telephone systems, but they offer a number of advantages that make them worth the investment.

Difference between PBX and PABX

PBX and PABX are two types of private branch exchanges. PBX is a private branch exchange that is owned and operated by a single organization, while PABX is a private branch exchange that can be leased or rented by multiple organizations. PBX is typically used by large organizations with many employees, while PABX is often used by small and medium-sized businesses.

PBX systems are generally more expensive than PABX systems, but they offer greater flexibility and functionality. PBX systems can be customized to the specific needs of an organization, while PABX systems are typically less customizable. PBX systems also offer features such as caller ID, call forwarding, and voicemail, while PABX systems typically do not offer these features.


PBX and PABX branch exchanges are two different types of telephone systems. A PBX system is a private branch exchange, while a PABX system is a public branch exchange. The main difference between the two systems is that a PBX can be used by one company, while a PABX can be used by multiple companies. If you are looking for a telephone system for your business, it is important to understand the differences between these two systems so that you can choose the right one for your needs.

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