The basics you need to know about VoIP PBX systems

PBX systems have been used by companies for several decades now for handling their communications. PBX can be used to route incoming calls and distribute them to different internal lines.

This allows companies to have only one or just a few telephone lines, rather than separate ones dedicated for each and every employee.

It also gives the employees an opportunity to communicate with one another via the extension numbers only.

In the last 10 or so years, the PBX has been replaced by VoIP PBX systems. These IP PBX systems allow for employees to share external lines by switching between VoIP users.

They can also handle switching between VoIP and traditional users. As a whole, a VoIP PBX handles VoIP calls just like a PBX handles analogue calls, so the experience doesn’t change.

While the user experience is almost the same, the technology used is quite different. A VoIP system includes SIP phones and a VoIP PBX server.

The SIP phones can be dedicated IP desk phones or soft clients, and even computers and mobile devices. The VoIP PBX system is like a server which has all the phones of the company registered on it.

The server also holds a database of the SIP addresses and phone numbers in the organization.

The incoming calls are directed to the specific user based on the SIP address.

VoIP gateways

The system may have an incorporated VoIP gateway, but a lot of companies prefer to use separate gateways provided by the provider of the VoIP service. They are connected to the system via a PSTN network.

Virtual VoIP PBX

In most cases, the features of the VoIP PBX are configured by software and sometimes the system is a combination of software and hardware installed on a regular computer. This is a virtual VoIP PBX.

Hosted VoIP PBX

This is when an external company purchases the system and maintains it, and provides the VoIP services to the company against a fee.

Benefits of using a VoIP PBX

The biggest advantage of using a VoIP is the huge cost savings, especially when it comes to international or internal calls. These are free for all employees whether they are in the office or traveling as long as they are registered on the network.

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