Choosing a phone system is one of the most important infrastructure decisions for a company. Unlike traditional telecom providers that charge per user, 3CX PBX uses a model based on the number of simultaneous calls. This can lead to significant savings, but it is important to understand what factors make up the final cost.
Here is a complete guide to the implementation and maintenance costs of a 3CX system in 2026.
Calculating the Cost of a 3CX Phone System
The budget for a professional VoIP system typically consists of three main components:
3CX License
an annual subscription for the software.
3CX Hosting
the environment where your PBX runs (cloud or local server).
Implementation and Support Services
a one-time setup cost and optional technical support (SLA).
an annual subscription for the software.
3CX Hosting
the environment where your PBX runs (cloud or local server).
Implementation and Support Services
a one-time setup cost and optional technical support (SLA).
Types and Prices of 3CX Licenses – What Should You Choose?
The choice of a 3CX license depends on the functionality your company requires. In 2026, the most popular options include:
PRO Version
the most common choice for businesses. It includes CRM integrations (Salesforce, HubSpot), reporting tools, and call center features.
Prices start at approximately €380 per year.
Prices start at approximately €380 per year.
Enterprise / AI Version
designed for more demanding environments. It includes features such as skill-based routing, advanced call recording options, and AI-powered functionality.
Prices start at around €550 per year.
Prices start at around €550 per year.
Important: Prices increase with the number of simultaneous calls (SC) supported by the system. For example, a PRO license for 16 simultaneous calls costs around €760 per year
Hidden PBX Implementation Costs – How to Avoid Them
A common mistake is focusing only on the license price. To ensure the system runs smoothly, several additional elements should be considered:
3CX Hosting
you can choose the free 3CX hosting option (with limited support), your own VPS (e.g., AWS or Google Cloud), or professional 3CX hosting from a partner like PLFON, which provides servers located in Poland and low latency.
SIP Trunks
the cost of phone numbers and call traffic.
Configuration
a one-time service to configure IVR menus, queues, and IP phones. Implementing the system without experience can create security vulnerabilities, which may lead to significant costs in case of telecom fraud.
you can choose the free 3CX hosting option (with limited support), your own VPS (e.g., AWS or Google Cloud), or professional 3CX hosting from a partner like PLFON, which provides servers located in Poland and low latency.
SIP Trunks
the cost of phone numbers and call traffic.
Configuration
a one-time service to configure IVR menus, queues, and IP phones. Implementing the system without experience can create security vulnerabilities, which may lead to significant costs in case of telecom fraud.
Why 3CX Is Cost-Effective

One of the biggest advantages of 3CX is its scalability. The system grows with your business—new users, numbers, or queues can be added in minutes without investing in additional infrastructure. Thanks to mobile and desktop applications, employees can use their company phone number from anywhere, making remote work easier and improving availability for customers.
3CX also integrates multiple communication channels into a single platform, including VoIP calls, video conferencing, website live chat, and CRM integrations. This allows companies to serve customers faster and more professionally.
In practice, this means lower costs, greater flexibility, and modern customer service tools, which is why more and more businesses are choosing to implement 3CX.
3CX also integrates multiple communication channels into a single platform, including VoIP calls, video conferencing, website live chat, and CRM integrations. This allows companies to serve customers faster and more professionally.
In practice, this means lower costs, greater flexibility, and modern customer service tools, which is why more and more businesses are choosing to implement 3CX.
FAQ
The 3CX license is typically an annual subscription. This helps keep the overall price lower compared to monthly models and makes IT budget planning easier.
The FREE version (up to 10 users) is a great starting point. However, if your company needs features like call recording, CRM integrations, or call center queues, upgrading to the PRO version will be necessary.
The cost of 3CX hosting depends on the required resources, which are determined by the number of simultaneous calls and the amount of storage needed for call recordings. At PLFON, we offer hosting optimized for the Polish telecommunications infrastructure.
Would you like to receive a precise quote for your company?
Contact us and we will help you choose the right license size and hosting parameters so you don’t overpay for unused resources.