About 3CX

3CX Phone System is an open standards communications solution, suitable for any sized business that wants all the features of an advanced contact center at a fraction of the cost. 3CX can take your business communications to the next level, helping to improve collaboration, boost productivity, increase mobility and enhance the customer experience. Installation and maintenance can be handled effortlessly by anyone, whether installed on-premises on Windows or Linux on an appliance or server, or in the cloud.
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3CX Software - 3CX incoming call - thumbnail
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3CX pricing

3CX has a free version and offers a free trial. 3CX paid version starts at £0.00/one-time.

Starting Price:
£0.00/one-time
Free Version:
Yes
Free trial:

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3CX Reviews for UK Users

Feature rating

Value for Money
4.5
Functionality
4.5
Ease of Use
4.5
Customer Support
4.5
5 reviews of 229 View all reviews
Ryan G.
  • Industry: Information Technology & Services
  • Company size: 11-50 Employees
  • Used Daily for 2+ years
  • Review Source
Value for Money
5
Features
5
Ease of Use
5
Customer Support
5

5
Reviewed on 29/11/2019

The best VoIP phone system for small businesses

We had a customer that had 3 different companies within the walls of the building. We were able to configure each company separately so that their rules, hours, and each had different SIP providers that needed to be configured up properly. Each had their own digital assistant and the system setup took only a few hours to complete with all the complexity that was involved. Technical support was outstanding in assisting with the troubleshooting and setup.

Pros

The 8 concurrent call Standard License is free to all companies. This makes it a perfect solution for churches, small businesses, and as the small businesses grow into medium sized businesses, the annual cost for the license with higher concurrent calls is nominal. When companies switch from the POTS lines, they need to figure out a good solution for VoIP. 3cx is lower cost than RingCentral and 8x8 as well as many other competing VoIP softwares.

Cons

Putting in supported APAP adapters is great, but when a customer has a non supported adapter, it usually works, but doesn't play nicely with the software as far as configuring it easily.

Response from 3CX

Sincere thanks for your feedback.

Replied 29/11/2019
Alexander F.
  • Industry: Computer Software
  • Company size: 11-50 Employees
  • Used Daily for 1+ year
  • Review Source
Value for Money
4
Features
5
Ease of Use
5
Customer Support
4

5
Reviewed on 18/01/2020

Serves small businesses very well for free.

In my opinion, it is a very good tool and hardly ever had problems, because the tool is very stable and with a very good usability, serving very well small businesses.

Pros

• It is free.
• Assists in the company's internal communication.
• It is always updated with improvements.
• Ease of receiving and transferring calls.
• Ease of configuration and installation by the end user.

Cons

• We used the trial version quietly for 1 year, but due to technical problems due to a codec, it caused a major internal problem where we stayed 3 days without a phone. For this reason the support of the company that provides the service asked us to change the application.

Response from 3CX

We are sorry to hear that you had codec issues. Can you explain which codec was used and what issues it created?
Codecs work using the SIP Offer - Answer model - a standard in SIP used for the update of session dialogs. This means that when a codec is offered by one endpoint (phone), and the receiving endpoint answers "no available codec" then a codec exchange occurs where both endpoints try to find one common codec (language) to use for their media. Like this every call is serviced and has more chances to get 2 way audio. It is important to tell us which codec you tried to use. Because firstly, we might have an issue to investigate or we might also give you an alternative codec you can use. We support all major codecs so I am surprised how the company that serves you recommended that you change the whole app.

Nonetheless, thank you for your feedback. I will forward this to the development team.

Replied 20/01/2020
Clay K.
  • Industry: Education Management
  • Company size: 501-1,000 Employees
  • Used Daily for 2+ years
  • Review Source
Value for Money
5
Features
5
Ease of Use
5
Customer Support
5

5
Reviewed on 03/06/2021

3CX Review

Overall, if you are looking for an extremely intuitive, inexpensive phone system solution 3CX is what you need. Their support is top-notch and the phone system itself is very easy to manage.

Pros

What I like most about 3CX is the ease of use. The interface is extremely intuitive and very user-friendly. Also, the install instructions are extremely easy and I was able to set up a virtual Debian server and install 3CX in under 30 minutes.

Cons

I wish 3CX offered time-based routing. It would be nice if you could designate the calls to go to certain places during certain times rather than having it strictly during hours and after hours. There are workaround for this, but it would be extremely convenient if it was built into the interface.

Response from 3CX

Thank you Clay for your valuable feedback!
We really appreciate you for taking the time to leave a review and we are pleased to hear that your experience with 3CX has been positive.

Replied 04/06/2021
David L.
  • Industry: Telecommunications
  • Company size: 11-50 Employees
  • Used Weekly for 2+ years
  • Review Source
Value for Money
2
Features
4
Ease of Use
4
Customer Support
2

3
Reviewed on 24/01/2019

Effective Phone System For Small, Simple Offices

For under 50 extensions and without any special functionality, 3CX is a very user-friendly platform. However, for any project that requires any custom functionality, 3CX will simply not be able to offer help.

Pros

The 3CX installer on both Linux and Windows is incredibly easy to use and users can go from nothing to a fully-featured phone system in less than 20 minutes. Once installed, the user interface is very clean and straightforward.

The 3CX Softphone that can be installed on Windows and mac computers pairs effortlessly with 3CX provisioning files.

Cons

3CX offers very little customization outside of the user interface, and commonly phone system managers will be simply unable to perform more-complex call routing. As an example, dynamic outbound routes are simply not possible outside of the overly-simple Outbound Routes tab, and you are limited to only prefix, length of destination, and from extension.

Compared to FreePBX and FusionPBX, the ability to customize 3CX is almost non-existent.

3CX Support will 100% of the time deflect any technical issues to the carrier, and after numerous ticket responses later, they will finally admit to being able to help.

SIP SRV records are completely broken and not compliant with the SIP RFC. It's hilarious how catastrophic this lack of functionality is.

Faxing is completely broken. It will be a complete nightmare if you attempt to run T.38 faxing over a 3CX phone system.

Nancy A.
  • Industry: Utilities
  • Company size: 201-500 Employees
  • Used Daily for 2+ years
  • Review Source
Value for Money
5
Features
5
Ease of Use
5
Customer Support
4

4
Reviewed on 30/05/2021

Getting in Touch with Fellow Colleagues and Clients

3CX is used on both phones and pc which means a user can have it on the move or in a specific working area. The software has a lot features in one place that assist in communication.

Pros

The software is good with organizations. I use it in the organization making outbound and taking inbound calls from both clients and colleagues. 3CX also has features like call transfers and call conferencing enables a link between different parties.

Cons

As any other software there are some issues. The system crashes sometimes and communication is cut affecting the organization. The system cannot work with just any kind of internet connection the software will not work properly.

Response from 3CX

Hi Nancy and thanks so much for your positive feedback! We really appreciate you taking the time out to share your experience with us. If the crashing issue persists, we'd encourage you to contact our customer support or seek consultation in the 3CX Forum.

Replied 31/05/2021

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