Introduction to VoIP PBX Systems

Whether you have a business or several residences, you might want to invest into setting up a service, which will show you the way to the future. A VoIP PBX can give you this. If you are wondering how it could be possible, then please read our article and watch our video, as it will have some pretty useful information for you.

A Private Branch eXchange (PBX) is the device that deals with the sharing of phone lines between various devices of communication, providing access to several lines to each user.

PBX types

  1. Analog: it does not convert analog signals into digital codes.
  2. Hybrid: it is mixed of Analog, Digital and VoIP PBX.
  3. Digital: it does convert analog signals into digital data.
  4. IP PBX/ VOIP PBX: It converts analog signals into digital data, which get compressed into data packets to get transmitted via the Internet.

As you can see it in Figure 1, Ozeki Phone Systemcan be connected to any PBX type.

introduction to voip pbx systems
Figure 1 - Introduction to VoIP PBX Systems

VoIP PBX or IP PBX is a telephone system, which handles with calls among local VoIP (Voice over Internet Protocol, which is responsible for control over voice transmission via the Internet) users, who can also make external calls, even to a device connected to the PSTN (Public Switched Telephone Network, or the traditional telecommunication we are used to). A PBX has lots of other functions, if you are interested in these, please check out this page.

What a PBX is used for:

  • Data storage
  • Establishing and terminating connection
  • Maintaining the established connection

Working Process

You must have seen it in movies or in real life when manual switchboards were used in small towns in case of a phone call. We saw a huge board with lots of cables and jacks and signaling lights in it and a lady connected the cables to the desired jacks.

That is basically how a PBX works as well. It connects the caller (from inside or outside the local network) to the desired extension. Then it keeps the connection alive as long as the conversation partners talk, and then it terminates the session, as if say it would plug out a virtual cable.

Nowadays no such cables are needed of course, especially not for a VoIP PBX, as it uses the Internet for the entire process. It has the numbers of all the extensions so when one of them is dialled it knows where to switch the call.

Features in General:

  • Call Answering Features: providing Interactive Voice Response, define extensions, define ring groups
  • Call Management Features: holding, forwarding or transfering a call
  • Call Screening Features: hiding/showing Caller ID, blocking callers
  • Away from the Phone Features: voicemail, text messages
  • Bandwidth Saving Features: recording calls, providing dial plans
  • Administrative Features: IP phone support, Daylight Savings Time Adjustment
  • Features for Convenience: directory with names and extensions, list of frequently called numbers

Ozeki Phone System uses VoIP PBX to provide the best quality communication available to its customers. The list of the features that we offer is a lot longer, as you can see it here yourself. Ozeki Phone System defines its main goal as serving all of its customers with high expertise and high quality to reach the highest satisfaction.

Check out the following articles for more information:

For a better understanding, please watch our video:

Introduction to VoIP PBX (Video tutorial)

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