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For any small business, communication (internal or external) is extremely important. Thousands of messages need to be received and communicated everyday without fail. This can be a costly affair for the organization, if the right systems and technology are not in place. This is where a PBX system steps in.

A PBX is your private branch exchange. Simply put, it is a telephone system in an organization that has the capability to switch calls between various users within the organization on local lines. It also allows all users access to a certain number of external phone lines. Irrespective of the size of the enterprise, a PBX can prove to be very useful.

Why is a PBX Used?

It is quite simply used for it’s cost saving. It eliminates the requirement for having a separate line for each and every enterprise user right up to the telephone office. The PBX is owned and operated by the concerned enterprise and uses digital technology for its operation. Initially it was only used for routing the incoming calls to the needed contact, but today a PBX system serves a multitude of purposes. It can be used for generating automated greetings, for faxing, voicemail connections and also for conference calls.


What is a PBX Comprised of?

  • A telephone trunk which is basically multiple phone lines terminating at the PBX

  • A computer system that aids in switching the calls

  • Telephone line network inside the PBX

  • A telephone operator which is optional


Types of PBX

Basically there are 4 types of PBX which are used extensively.

PBX Phone System

  1. Traditional PBX

This is the old version of today’s PBX where a phone box was used and all phone lines would operate through it. Also, an operator was essential for switching between the calls.

  1. Hybrid PBX

This is an upgrade over the conventional PBX. How? Well, apart from normal telephone calls it comes with the ability to handle VoIP calls as well. VoIP stands for voice over IP, where the user calls by using the internet service. This is extremely useful for those organizations which operate over multiple locations.

  1. IP PBX

IP PBX is exclusively for calling by using the internet service. How it works is simple. A data network is used to create connections between users. The cost of use is also drastically reduced as only a single phone line is required. The setup of this kind of PBX can be easily expanded by adding more phone lines to be in sync with expending capacity. Its maintenance cost is extremely low.

  1. SIP PBX

The latest technology in the world of PBX is SIP PBX. It uses the session initiation protocol and has many similarities with the IP PBX. Apart from conventional telephones, laptops and mobile devices can also be easily connected to this which makes communication even easier and faster.


Virtual PBX System


Virtual Cloud PBX System

As the name suggests, this PBX system is virtual. It does not involve heavy equipment which would be tied at one place and several telephone lines. This PBX system works with the help of “the cloud”. All your organization needs is phone lines and a good internet connection. This kind of system is leading the business VoIP market today and has been appreciated by millions of organizations. This is also known as a hosted PBX system. The entire system is hosted on the cloud and offers the same functionalities of a physical PBX system without having to invest in the hardware. This makes it a very cost effective solution beyond no need for heavy equipment.


Advantages of Having a PBX System

  1. Allows you to have acentral company number and all your operations and communications can be synchronized accordingly. It makes media communications and marketing exercises way easier as you have to display only one number.

  2. Calls can be coordinated by a virtual receptionist and either held or transferred in a proper professional manner . The chances of calls getting blocked or dropped is drastically reduced. While the call is on hold, various other messages can be communicated to the customer or client via the virtual receptionist.

  3. Every employee has their extension and all their communication problems are solved. One simply needs to dial the correct extension in order to connect to the specific person.

  4. In today’s world, businesses are widely distributed across cities and countries. This requires conference calling, which is very simple if you have a PBX system.

  5. All call records are maintained systematically and can be retrieved when required. So, you need not worry about documentation.

Today VoIP based phone systems also come in two variants that are either self-hosted or cloud based. The self-hosted version will have infrastructure at the company site while the cloud based system is completely in the cloud. Depending on the kind of business and your needs, you can choose either one. While both VoIP PBX systems come with a whole new range of features for the organization in terms of communication, each one has it’s own specific advantages. The only major draw back with either of these hosted PBX systems is that your internet link has to be up and running at all times. Once the Internet link is down or dead, no communication or calls are possible.


Advantages of Switching to a Hosted PBX System

  1. No big infrastructure. No big cost.

  2. Great savings in terms of physical hardware and in the form of phone bills. An enterprise can save as much as 50% on their phone bills by using this system.

  3. Everything in your enterprise comes under one big umbrella. So, on site or off site workers, employees who are travelling, people who are working from home and all those at office can connect to the same virtual PBX seamlessly at one time. Such is the power of the cloud!

  4. If you need to expand, you can always order more fax lines or extensions.

  5. It uses your LAN connection so no extra Internet charges.

  6. The user interface of the IP or hosted PBX is much simpler than the traditional ones.

  7. It is very easy to configure than a proprietary telephone system, thereby saving time.

As businesses grow bigger, the use of a PBX system continues to grow. With the internet being the king of things, hosted PBX systems are the thing for all businesses to consider.