Analog PBX vs. IP PBX
The first PBXs were analog machines operated by a person. There were some boxes that worked with switches, which were the backbone of the traditional telephone network. The copper lines connected the PBX with the public telephone network and the connection had to be done manually by technicians from the telephone company who had to go to the office. For this reason, every time a change had to be made it could take several days.
These systems were easy to implement, but offered no flexibility and it was difficult to scale them . And, although additives could be installed, it was impossible to connect them with digital communication channels to offer things like instant messaging, screen sharing and many other functions. Any change in the system took a long time and an expert had to be hired to do them.
IP PBXs are much more flexible and adaptable. Instead of connecting to the telephone network with copper lines, they are designed to use Trunks SIP. Voice calls go through the Internet, through the same data network as the rest of the company. In addition, any modern PBX has a graphical interface or web control panel that makes it much easier to configure.
Add lines, delete them or change them are done in hours (or minutes) without having to wait for a technician. In the case of a PBX in the cloud it can be as easy as asking the provider.
With the proliferation of VoIP calls, PBXs have grown in functions and utilities to give modern companies the functions and flexibility they need.
Learn more: Phone Operator
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