PBX phone system All you want to know Best services

Jun 7, 2023 | PBX

PBX phone system What is a PBX phone system? What are the three types of PBX? What is PBX vs VoIP system? What does a PBX system do? Is PBX digital or analog?

PBX phone system

What is a PBX phone system and how does it work?

What a PBX Phone System is

  • PBX (private branch exchange) is a device for establishing an internal

communication system using one or more main line, controlling incoming and outgoing calls.

  • A PBX phone system is used within companies and organizations, so that users can communicate

internally (within their company) and externally (with the outside world).

  • PBX phone system allows you to have more phones ( up to 20,000 ) while calls between users are free.
  • Also it switches calls between individuals on local lines while allowing

all of them to share a certain number of external phone lines.

  • A PBX makes it possible to split a single phone line into several private lines.
  • This make it easy for a customer to reach anyone in an office through a single phone number.
  • A PBX saves the cost of requiring a main phone line for each user to the telephone company’s central office.



  • The Telephone system is no longer sufficient to meet the needs of institutions,

companies, banks, tourist villages or any place or institution that has a large number of employees or a number of departments.

  • Also, it does not satisfy customers’ needs.
  • Therefore, the PBX is a natural development of the modern age; the age of speed and

competition to gain the trust of customers by providing them with distinguished services quickly .

private branch exchange Main benefits

What is a PBX phone system and how does it work?

  • Saving time, effort and money spent on paying for charges for telephone service via central-office lines .
  • Gaining customers’ trust in the company by offering a quick service and

talking to customers through a specialized person who tactfully receives all calls,

then switches the customer to the department or branch or employee in charge.

  • Establishing connections between the telephone sets to ensure the phone isn’t already busy.

This saves customers’ time as telephone line is always available and ensures access to premium service.

  • Making calls between internal phones without going through the public network.
  • Providing information for accounting and analytics.
  • PBX enables the employer to get a detailed report about the internal

calls made between employees as well as the external calls.

  • This prevents the use of phones for purposes other than work and also

saves payment of invoices for calls that have not earned any profits or gains.

  • The owner of the company or institution are always aware of what is happening

For example: answers to incoming calls, interrupted communications, etc.

  • Receiving the largest number of calls at one time and switches them easily as the device is easy to use
  • Programming : to determine which internal phones have the right to make external calls
  • The possibility of integrating the phone with the computer to respond to requests to be done through a set of simple techniques.
  • Ability to control the automatic or electric lock system.
  • Making an organization’s communication simpler and more robust.
  • Can be connected to other devices such as Intercoms and CCTV Cameras to build an integrated strong security system.

pbx calling features and capabilities

  • Auto attendant and dialing
  • Automated directory services ( a caller can be routed to a given employee

by keying or speaking the letters of the employee’s name)

  • Automatic call distributor and ring back
  • Call blocking
  • Busy override
  • Camp-on
  • Call forwarding on busy or absence
  • Conference call
  • Call logging
  • Call park
  • Custom greetings
  • Call pick-up
  • Call transfer
  • Customized abbreviated dialing (speed dialing)
  • Call waiting
  • Direct inward dialing (DID)
  • Direct inward system access (DISA) (the ability to access internal features from an outside telephone line)
  • Do not disturb (DND)
  • Follow-me ( find-me) : Determines the routing of incoming calls.
  • Interactive voice response
  • Local connection: the ability to have a local number in cities in which you are not physically present.

This service essentially lets you create a virtual office presence anywhere in the world.

  • Music on hold
  • Night service
  • Public address voice paging
  • Shared message boxes (where a department can have a shared voicemail box)
  • Voice mail
  • Voice message broadcasting
  • Welcome message

How to Program a PBX

A small PBX phone system can be programmed simply, but it is preferably

done through an experienced PBX Technician in Kuwait when it is a large system.

  1. Logging in to the administration portal with a computer and connectivity software.
  2. Setting up the dial plan for the system.
  3. Setting up the number 9 to gain an outside line and 0 for the operator console.
  4. Determining the kind of the clock 12 or 24
  5. Programming time and date.
  6. Configuring the system parameters and feature access codes.
  7. setting up groups of permissions to assign to users.
  8. Configuring the trunks ( the phone lines used for inbound and outbound calls connected to the local exchange carrier )and outbound routing.
  9. Setting up the ports, types of phones, name displays, feature buttons, line appearances, calling permissions and speed dialing buttons for each telephone you want to install.
  10. Set up other services such as analog fax lines, conference phones,

video conferencing, paging, music on hold, IP connectivity and services for call center agents.

What is PBX vs VoIP system?

  • a PBX is an on premise phone system which is not connected to a data network.
  • VoIP (Voice over Internet Protocol) is another form of phone system.
  • VoIP means the voice is converted to data, packetized, and transferred over data network.
  • VoIP can be on premise or hosted.

What are the three types of PBX?

  1. analog.
  2. digital.
  3. cloud-hosted.

There are 3 types of PBX phone system

  1. Hosted
  2. On-premises
  3. PBX SIP trunking


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