What does pbx mean?

PBX is the abbreviation of Private Branch Exchange, which means user-level switch, that is, the telephone service network used within the company, and the extension users within the system share a certain number of external lines.

the difference between PBX and group telephone system is that users of group telephone system need manual operation to dial outside lines, while PBX automatically completes this task. The hybrid system includes the functions of the above two systems.

at the beginning, the primary advantage of PBX was to save the consumption of internal calls: it handled the line switching within the system to reduce telephone charges. When PBX became popular, some new functions were added, such as intelligent line finding, user calling, dialing extension, etc., which were not provided by telephone companies.

Advantages of p>IP PBX compared with traditional PBX:

1. Unify telephone network and computer network into a whole.

2. Besides providing services for traditional telephone users, it can also provide services for Internet users conveniently.

3. Brand-new hardware platform and highly integrated system functions can greatly reduce costs.

4. It is more convenient and easy to realize value-added services, such as establishing a call center and implementing VoIP.

5. Open standards with strong interoperability.