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In my 3CX in-depth review, I’m sharing the results of my analysis and evaluation from hands-on testing and experimentation. Before we dive in, if you’re just starting your search for the best call center tools, you should first check out my picks for the best call center software. 3CX is one of the top-rated call center tools out there, but to figure out if it's a good match for you, it's important to understand the software’s benefits and drawbacks.

My in-depth 3CX review will take you through everything you need to know to make a more informed decision—pros and cons, features and functionality, pricing, and more—to help you to better understand its capabilities and suitability for your needs.

3CX review showing the dashboard interface
I like how the 3CX dashboard, pictured here, gives users a complete overview of the current system status and enables them to look through important info quickly.

3CX Software Product Overview

3CX is a comprehensive VoIP PBX system that offers unified communications across voice, video, messaging, and more. It primarily serves businesses of various sizes seeking a scalable and feature-rich communication system. The tool stands out for its flexibility, providing a range of communication options while simplifying management and reducing telephony costs. 3CX addresses common communication pain points, such as complex setup, high running costs, and rigid systems, by offering a user-friendly interface, straightforward provisioning, and options for both on-premise and Windows-based cloud hosting.


  • Flexibility: Customizable and a sentence explaining what this means - Users can tailor 3CX to fit their specific needs, choosing between on-premise or cloud-based setups to strike the right balance for their organization.
  • Integration: CRM integration - The system easily connects with numerous CRM platforms, enabling seamless access to customer data during calls and improving service delivery.
  • Mobility: Mobile apps - With dedicated apps for Android and iOS, 3CX keeps mobile and remote workers integrated with the company's communication system effortlessly.


  • Learning Curve: Training required - New users may face a learning curve, necessitating some initial training to fully exploit 3CX's extensive features.
  • Hardware Specific: SIP trunk dependence - Users need to ensure their current hardware is compatible with SIP trunks to avoid additional costs and setup complexity.
  • Support Variation: Community-based - While there is support available, much of the troubleshooting and problem-solving resources are forum-based, which can vary in quality.

Expert Opinion

In judging 3CX against other VoIP solutions, I find it to be robust and versatile, particularly in its integration with different CRM systems and its strong mobile support. However, it may require a bit more technical proficiency to set up and maintain. It shines in environments where businesses seek to maintain control over their PBX while integrating with their existing tech stack.

3CX: The Bottom Line

What sets 3CX apart is its blend of PBX features with modern VoIP capabilities, offering a level of customization and integration that is not always found in similar software. Its commitment to an open standards philosophy means it supports a wide variety of SIP trunks, IP phones, and VoIP gateways, ensuring flexibility in how users set up and run their communication systems.

3CX Deep Dive

Here's a deep dive into 3CX's features, best use cases, pricing, customer support, and other purchase factors.

Product Specifications

  1. Voice Calling - Yes
  2. Video Conferencing - Yes
  3. Instant Messaging - Yes
  4. Mobile App - Yes
  5. CRM Integration - Yes
  6. Auto-Attendant - Yes
  7. Call Recording - Yes
  8. Call Routing - Yes
  9. Voicemail - Yes
  10. Call Queues - Yes
  11. SIP Trunking - Yes
  12. Fax Support - Yes
  13. Conference Bridging - Yes
  14. Screen Sharing - Yes
  15. Contact Center Features - Yes
  16. Call Forwarding - Yes
  17. Call Transfer - Yes
  18. Call Parking - Yes
  19. Call Reporting - Yes
  20. Multi-User Collaboration - Yes
  21. Interactive Voice Response (IVR) - Yes
  22. Directory Listing - Yes
  23. Ring Groups - Yes
  24. On-Premise Deployment Option - Yes
  25. Web-Based Administration - Yes

Feature Overview

  1. Unified Communications: 3CX unites voice, video, and messaging in one platform, making it a central hub for all forms of business communication.
  2. IP PBX Capabilities: As an IP PBX system, 3CX enables enterprises to manage inbound and outbound calls over the Internet, reducing the need for traditional telephony services.
  3. VoIP Provider Flexibility: 3CX stands out for its compatibility with a wide range of VoIP providers, offering businesses the freedom to select the service that best fits their needs.
  4. CRM Integration: This feature seamlessly connects phone systems to customer databases, providing a streamlined experience for call centers and enhancing customer service interactions.
  5. Softphone Application: The 3CX softphone app allows users to make and receive calls directly from their computer or smartphone, offering flexibility and mobility to end users.
  6. Web Conferencing: Integrated web conferencing in 3CX facilitates virtual meetings without the need for additional software, setting itself apart with a built-in, hassle-free solution.
  7. SMS & Chat: This functionality supports instant text-based communication across the enterprise, ensuring a quick and verified exchange of information via SMS or internal messaging.
  8. Call Queues and Routing: With advanced call queue management and intelligent routing, 3CX ensures that inbound calls are handled efficiently, improving the call center experience.
  9. Video Call Support: The system's robust video call feature meets the best VoIP standards for clarity and reliability, making remote face-to-face meetings as straightforward as phone calls.
  10. Mobile Apps: Dedicated 3CX apps for smartphones allow users to stay connected with their business phone system from anywhere, ensuring continuity and accessibility for mobile workforces.

Standout Functionality

  1. Cross-Platform Compatibility: 3CX phone systems provide native support for both Windows and Linux, a differentiation point as most VoIP systems typically favor one platform over the other, offering flexibility in deployment to match the existing IT infrastructure of a business.
  2. Provisioning and Configuration: 3CX stands out with its zero-touch provisioning for desk phones, which simplifies the setup process; it automatically configures phones with extensions and settings via the internet connection without manual input, a feature that receives high marks in user reviews for ease of setup.
  3. Open Standards Software-Based PBX: The 3CX system is unique in its commitment to open standards, allowing broad compatibility with SIP trunks, IP phones, and gateways, giving businesses the liberty to choose their phone numbers and hardware without being locked into proprietary protocols that many other VoIP systems enforce.


3CX integrates directly with Microsoft Outlook and Office 365, enabling users to manage contacts and initiate communications without leaving their productivity applications. The system's API allows for custom connections with CRMs and other business tools, expanding its functionality to suit bespoke needs. Additionally, the 3CX marketplace provides a selection of add-ons to enhance the platform, from advanced reporting to security enhancements.

3CX Pricing

  • Free Tier: 3CX provides a free tier, which includes basic features for a limited number of users and simultaneous calls, aimed at very small businesses or those wishing to test the waters.
  • Small Business Tier: The Small Business (SMB) plan costs $175/system (billed annually). This tier supports a more extensive number of simultaneous calls and offers basic call center features, IVR, and CRM integrations.
  • Professional Tier: The Professional (PRO) tier, with pricing around $210/system (billed annually), adds more advanced call center features, better reporting, and integration capabilities. It is suitable for businesses that are looking to leverage more detailed insights and need greater customization.
  • Enterprise Tier: The Enterprise (ENT) plan, typically costing around $260/system (billed annually), is designed for larger organizations that require full redundancy and higher levels of support.

Ease of Use

In my experience, the user interface of 3CX strikes a balance between functionality and simplicity, accommodating a range of users from beginners to IT professionals. The onboarding process is straightforward with helpful guides, but the depth of features means there can be a learning curve for more complex tasks such as configuring the IP PBX settings or customizing call flows. While navigation is generally intuitive, some users might find the organization of advanced settings within the admin panel a bit overwhelming until they become familiar with the layout.

Customer Support

I find that 3CX offers comprehensive customer support, with a variety of channels including documentation, forums, webinars, and live chat. The response times are generally prompt, particularly for critical issues, but some users may find the level of direct phone support less than expected, as 3CX often relies on its network of partners for hands-on assistance. While the breadth of online resources is extensive, new users may occasionally feel challenged by the technical nature of some documentation and the community-driven support model.

3CX Use Case

Who Would Be A Good Fit For 3CX

I see 3CX as an optimal fit for small to medium-sized businesses that require a flexible, feature-rich communication system without heavy infrastructure investments. Its most loyal customers often hail from tech-savvy industries, such as IT services, where in-house expertise can maximize the tool's extensive configurability, and its scalability suits dynamic team sizes well.

Who Would Be A Bad Fit For 3CX

From my perspective, 3CX may not be the best fit for very large enterprises that require a bespoke, enterprise-grade communication solution with extensive on-site customization and dedicated, round-the-clock support. Companies with limited technical expertise or those that prefer a plug-and-play solution with minimal configuration might find 3CX's extensive feature set and initial setup process daunting.


Can 3CX integrate with my existing CRM system?

Yes, 3CX offers CRM integration capabilities with popular systems, enabling click-to-call, call recording, and customer information pop-ups directly within the CRM interface.

Does 3CX support mobile devices?

Yes, 3CX includes a mobile app for both Android and iOS, allowing users to make and receive calls, chat, and access PBX features from their smartphones.

Is it possible to use 3CX for video conferencing?

Yes, 3CX provides built-in web conferencing features without requiring additional software or plugins.

Can I use 3CX with my current IP phones and SIP trunks?

3CX supports a wide range of IP phones and SIP trunk providers, allowing for use with existing telephony infrastructure as long as they are SIP-compliant.

What kind of support does 3CX offer?

3CX provides support through documentation, forums, webinars, live chat, and a network of partners for more personalized assistance.

Is there a free version of 3CX available?

Yes, 3CX offers a free tier with basic features suitable for small businesses or those wanting to evaluate the system.

How does 3CX handle call routing and call queues?

3CX includes advanced call routing and queue management features, allowing businesses to set up complex call distribution and handling rules based on their specific needs.

Does 3CX require an on-premise server?

No, 3CX can be deployed on-premise using your server or run in the cloud, offering flexibility depending on your company's preferences and resources.

Alternatives to 3CX

  • RingCentral MVP: Often chosen for its robustness and user-friendly interface, RingCentral MVP stands out for businesses looking for an all-in-one communication solution with a strong emphasis on collaboration and integration with other enterprise applications.
  • Asterisk: Ideal for those who need a highly customizable and open-source communication framework, Asterisk is frequently selected by organizations with the technical know-how to build a tailored telephony system from the ground up.
  • Avaya: Avaya is a preferred option for large enterprises requiring comprehensive, enterprise-grade communication systems with a focus on security and advanced call center functionalities.

3CX Company Overview & History

3CX is a global leader in business VoIP and unified communications (UC) technology, offering a full-featured IP PBX system that facilitates voice calls, video conferencing, and instant messaging. Their solutions are employed by a diverse range of companies, from SMEs to large enterprises, including household names such as Pepsi and Harley-Davidson. As a privately held company, 3CX was founded by Nick Galea and is headquartered in Nicosia, Cyprus.

While specific details on notable individuals within the company are not publicly highlighted, 3CX's mission is to deliver a communications platform that enhances business collaboration and efficiency. Since its inception in 2005, the company has reached significant milestones, such as expanding its presence in over 190 countries and releasing innovative versions of its software to keep pace with the evolving UC landscape.


In summary, this 3CX review has walked you through the solution's comprehensive communication features, user-friendly platform, and flexible deployment options, suitable for a variety of business sizes and needs. While it stands out for its rich functionality and customization capabilities, potential users should weigh these benefits against the need for technical prowess to manage and maintain the system effectively.

If you're considering a robust VoIP solution that scales with your business and integrates seamlessly with various business tools, 3CX is worthy of consideration. I encourage you to share your thoughts and experiences with 3CX or ask any questions you may have in the comments – your insights are invaluable to others making informed decisions in the realm of unified communications.

Hannah Clark
By Hannah Clark

Hannah Clark is the Editor of The CX Lead. After serving over 12 years working in front-line customer experience for major brands, Hannah pivoted to a career in digital publishing and media production. Having gained a holistic view of the challenges and intricacies of delivering exceptional experiences, Hannah aims to help CX practitioners 'level up' their skills by amplifying the voices of today's thought leaders in the space.