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Apr 15, 2023
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IP PBX Software: A Complete Guide to Streamlining Your Communication Infrastructure

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What is IP PBX Software?

An IP PBX (Internet Protocol Private Branch Exchange) is a communication system that manages phone calls within an organization by utilizing VoIP (Voice over Internet Protocol) technology. It allows all voice and data communications to be handled by an organization’s Local Area Network (LAN).

IP PBX software is a more cost-effective and scalable alternative than traditional PBX systems that require dedicated hardware and wiring. It enables businesses to use their existing network infrastructure and hardware to manage phone calls, voicemail, conference calling & other communication features.

With IP PBX software, employees can make and receive calls using their computers, mobile devices, or IP phones. The system can also integrate with other communication channels such as email, instant messaging, and video conferencing to provide a seamless communication experience.

How does IP PBX Software work?

IP PBX (Internet Protocol Private Branch Exchange) software is a communication system that enables businesses to make and receive phone calls over the internet rather than on traditional phone lines.

Voice over Internet Protocol (VoIP) is the method by which the software transmits voice signals over an internet connection. Call routing, call queuing, voicemail, & other features are managed by a server in the software, which can be installed on a physical server or be hosted in the cloud.

When a call is made using an IP PBX system, the caller’s voice is converted into data packets and sent over the internet to the recipient’s device. The IP PBX server then receives the call request and routes it to the appropriate destination, which can be another extension within the same organization or an external phone number.

Call recording, call forwarding, conference calling, and interactive voice response (IVR) systems are all supported by this software. A web-based interface manages these features, allowing administrators to configure and personalize the system to meet the organization’s specific requirements.

Benefits of using IP PBX Software:

IP PBX software, or VoIP PBX software, is a framework that empowers organizations to lead telephone discussions via the web using different gadgets like PCs, cell phones, and IP telephones. The following are a few advantages of using IP PBX software:

  • Cost-effective: Because IP PBX software does not require costly hardware or wiring, it is more cost-effective than traditional phone systems. You can make and receive calls over the internet with IP PBX software, which significantly lowers phone bills.
  • Scalability: IP PBX software is scalable because it is easy to add or remove users as your business changes or grows. Because of this, you won’t have to completely overhaul your phone system in order to adapt to changes in your company.
  • Mobility: With IP PBX software, you can make and receive calls from any location with an internet connection. This implies you can work from anyplace and still be reachable by your clients or partners.
  • Features: IP PBX software has a number of features that traditional phone systems do not have. Call recording, call forwarding, voicemail, auto-attendant, and other options are among these features. Your organization’s productivity and communication can both benefit from these features.
  • Reliability: Because it uses redundant servers to guarantee that your communication system is always operational, IP PBX software is extremely reliable. As a result, you won’t have to worry about lost calls or downtime.

On-premises v/s Cloud-based IP PBX software

On-premises IP PBX software allows you to host PBX hardware and software on your company’s premises. Investing in IT infrastructure, software licenses, and hardware to manage and maintain the system is required. Cloud-based IP PBX software, on the other hand, is hosted in the cloud, and the service provider manages the system’s infrastructure and upkeep.




On-premises IP PBX software requires a significant upfront investment, including hardware, software licenses, and IT staff. Cloud-based IP PBX software has a lower upfront cost, and you pay a monthly fee for the service.


On-premises IP PBX software has limited scalability, and you need to invest in additional hardware and software licenses to accommodate growth. In contrast, cloud-based IP PBX software can be easily scaled up or down to meet changing business needs.

Maintenance and Support

On-premises IP PBX software requires regular maintenance and updates, which can be time-consuming and costly. Cloud-based IP PBX software is maintained and supported by the service provider, freeing up your IT staff to focus on other critical tasks.


Cloud-based IP PBX software can be accessed from anywhere with an internet connection, making it a more flexible option for remote work. On-premises IP PBX software is limited to on-site access only.

Top IP PBX Software options in the market:

Choosing the right IP PBX (Private Branch Exchange) Software for your business can be a daunting task. Here are some options in the market to consider when selecting the right IP PBX software:

  1. AcmaTel IP PBX: AcmaTel provides luxurious IP PBX software for ITSPs and single-tenant software for enterprises that can be configured to meet your specific needs via an unparalleled UI, UX, and connection from the office, smartphones, and a web interface.
  2. Asterisk: Voicemail, conference calling, and interactive voice response (IVR) are a few of the features that can be found in the open-source software PBX system known as an asterisk. It is adaptable to a wide range of configurations and compatible with other software systems.
  3. FreePBX: Call routing, call recording, and voicemail are few of the features offered by FreePBX, an open-source IP PBX system. It has a web-based interface that makes management and configuration simple.
  4. 3CX: 3CX is a product-based IP PBX that offers highlights like video conferencing, web conferencing, and CRM combinations. Both cloud-based and on-premise deployment options are available.
  5. Cisco Unified Communications Manager (CUCM): CUCM is a commercial IP PBX system that offers features such as presence, instant messaging, and video calling. It is designed for larger businesses and has a high level of redundancy and scalability.
  6. Avaya IP Office: Avaya IP Office is a commercial IP PBX system that includes call recording, voicemail, and mobility features. It is aimed at small to medium-sized businesses and provides both cloud-based and on-premise deployment options.
  7. Mitel MiVoice: Call routing, voicemail, and unified messaging are just a few of the features provided by Mitel MiVoice, a commercial IP PBX system. It is designed for small and medium-sized businesses and can be used on-premises or in the cloud.
  8. Panasonic KX-NS: The Panasonic KX-NS is a commercial IP PBX system that supports call routing, call waiting, and forwarding. It is designed for small and medium-sized businesses and can be used on-premises or in the cloud.
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