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Epabx Networking


What is a PBX?

PBX stands for Private Branch Exchange, which is a private telephone network that is used within a company. PBX users share a defined number of telephone lines in order to make external calls.

The PBX connects the internal extensions within a company and at the same time connects them with the public switched network, also known as public switched telephone network (PSTN), VoIP Providers and SIP Trunks.

One of the most recent trends in the development of PBX PBXs is the VoIP PBX, also known as IP PBX, which uses the Internet Protocol to transmit calls.



There are currently four different phone system options:

PBX
Virtual PBX Service
IP PBX
Virtual IP PBX Service
An IP PBX is a software-based telephone exchange that allows you to get several features and services that are usually very difficult and costly to implement with a traditional proprietary PBX.

3CX is a good example of an IP PBX.


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