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Which is more popular?
Based on our record, 3CX
seems to be more popular. It has been mentioned
3 times
since March 2021.
social mentions
3 vs 0
Communication popularity
100% vs 0%
Base details
Website, pricing, platforms and company facts side by side.
Cost-Effective 3CX offers competitive pricing compared to traditional PBX systems, helping businesses save on operational costs.
Flexibility Supports multiple platforms including Windows, Linux, and cloud-based environments, allowing for versatile deployment options.
Ease of Use Provides an intuitive interface and easy-to-follow setup processes, making it accessible for users without advanced technical knowledge.
Unified Communication Combines voice, video, messaging, chat, and presence into one platform, streamlining communications within businesses.
Scalability Easily scalable to accommodate growing businesses, with the capability to add or remove extensions and features as needed.
Integrated Features Includes features such as call forwarding, voicemail to email, web conferencing, and CRM integrations to boost productivity.
Remote Work Support Offers WebRTC technology and mobile apps, enabling employees to work remotely while staying connected to the office system.
Security Implements robust security measures like SRTP encryption and a built-in firewall to protect communications.
Possible disadvantages
Initial Setup While generally user-friendly, the initial setup can be complex and may require a certain level of technical expertise.
Ongoing Maintenance Regular updates and maintenance are needed to keep the system secure and functional, which can be time-consuming.
Limited Customer Support Support options can be limited, especially for smaller businesses or those not subscribed to premium support plans.
Compatibility Issues May face compatibility challenges with certain legacy systems or specific hardware, requiring additional configuration or replacement.
Third-Party Dependence Many features and integrations depend on third-party services, which can lead to additional costs and potential reliability concerns.
Licensing Model The licensing model can be complex and may not be as straightforward as other communication solutions, potentially leading to cost overruns.
Learning Curve Users might face a learning curve when adapting to the new system, particularly if they are accustomed to traditional PBX systems.
Enhanced Server Stability CloudLinux uses its lightweight virtualization technology (LVE) to isolate each tenant on a shared hosting server, preventing any single user from consuming excessive resources and crashing the server for everyone else. This ensures consistent uptime and performance.
Improved Security with HardenedPHP and KernelCare CloudLinux offers HardenedPHP, which patches old and unsupported PHP versions against known vulnerabilities, and KernelCare, which provides live kernel patching without requiring server reboots. These features significantly enhance server security posture.
Resource Limit Management Administrators can set granular resource limits (CPU, memory, I/O, number of processes, etc.) per user account using LVE Manager. This makes it easy to manage shared hosting environments and ensure fair resource distribution among tenants.
CageFS File System Virtualization CageFS creates a virtualized file system for each user, preventing them from seeing other users on the server, viewing sensitive configuration files, or exploiting server vulnerabilities. This adds an important layer of isolation and security.
Wide Compatibility with Hosting Panels CloudLinux integrates seamlessly with popular hosting control panels such as cPanel, Plesk, and DirectAdmin, making it straightforward for hosting providers to adopt without overhauling their existing infrastructure or workflows.
Possible disadvantages
Additional Licensing Cost CloudLinux requires a paid monthly or annual license on top of the base server cost. For smaller hosting providers or individual server owners, this additional expense can add up and may not always be justifiable compared to free alternatives.
Limited to CentOS/RHEL-Based Systems CloudLinux is built on top of RHEL/CentOS and does not support other Linux distributions like Ubuntu or Debian. This limits its adoption for hosting providers who prefer or already run non-RHEL-based environments.
Learning Curve for Configuration While CloudLinux provides powerful resource management tools, properly configuring LVE limits, CageFS, PHP Selector, and other features requires a solid understanding of the platform. Misconfiguration can lead to users being unnecessarily restricted or resources being poorly allocated.
Potential Performance Overhead The additional layers of virtualization, resource monitoring, and file system isolation introduced by CloudLinux can impose a slight performance overhead on the server compared to running a bare, unmodified Linux distribution without these controls.
Dependency on CloudLinux Ecosystem Adopting CloudLinux means relying on their ecosystem for kernel updates, PHP patches, and security fixes. If the company experiences delays in releasing patches or changes its pricing/licensing model, hosting providers may find themselves locked into a dependency that is difficult to migrate away from.
Analysis
An editorial look at what each product does well and who it suits.
3CXCloudLinux
Overall verdict
3CX is generally considered a good option for businesses seeking a reliable and comprehensive VoIP solution. Its scalability makes it suitable for small businesses and large enterprises alike, and its focus on providing a seamless user experience has made it a popular choice in the VoIP market. However, as with any product, it's important to evaluate your specific needs to ensure it aligns with your business requirements.
Why this product is good
3CX is a versatile and cost-effective communication solution known for its ease of use, robust feature set, and flexibility. It supports multiple platforms, including Windows, Linux, and cloud-based systems, which allows businesses to manage their phone systems in a way that best suits their operational needs. It offers features such as video conferencing, call center operations, live chat, and the integration of mobile apps, which enhance communication efficiency and collaboration within organizations.
Recommended for
Small to medium-sized businesses looking for an affordable and scalable communication solution.
Enterprises in need of a unified communication system that integrates with existing infrastructure.
Organizations seeking a platform with advanced features such as video conferencing, mobile apps, and live chat capabilities.
Overall verdict
CloudLinux is a well-regarded, mature Linux OS distribution and toolset specifically designed for shared hosting and multi-tenant server environments, offering strong isolation, resource management, and security features that make it a solid choice for hosting providers.
Why this product is good
Provides LVE (Lightweight Virtual Environment) technology for per-tenant resource isolation, preventing 'bad neighbor' effects on shared servers
Enhances server stability and security by isolating users so that one account's issues (crashes, resource spikes) don't affect others
Offers extended lifecycle support (longer than standard CentOS/RHEL support windows), which is valuable for legacy systems
Includes tools like CloudLinux OS Shield, Imunify360 integration, and hardened kernel options for improved security
Compatible with popular control panels like cPanel and Plesk, making it easy to integrate into existing hosting stacks
Backed by an established company with a long track record in the hosting industry and responsive support
Offers granular control over CPU, memory, I/O, and other resources per user account
Provides PHP Selector and multiple PHP version support, useful for hosting providers serving diverse client needs
Recommended for
Web hosting companies running shared or reseller hosting environments
Hosting providers needing to isolate customer accounts on the same physical server
Businesses requiring extended OS support lifecycles beyond standard RHEL/CentOS EOL dates
Enterprises using cPanel or Plesk that want tighter security and resource control
Hosting companies looking to reduce support tickets caused by noisy-neighbor resource contention
IT teams managing multi-tenant infrastructure who need governance and monitoring tools built into the OS layer
3CX does not price the AI Receptionist separately. It is bundled into the 3CX AI edition annual system licence. As published on 24 August 2026, the entry tier of that licence covers 8 simultaneous calls at $575 per...
Per minuteSmall included allowance, then a rate per minuteRingCentral (100 min, then 40p), Zoom (100 min), Ivy by Verbalise (£197 + 55p/min)Cost rises with every call. No ceiling. Per callCharged per answered call...
3CX is a software-based PBX that can be deployed in the cloud, on-premise, or in private environments such as AWS, Azure, or self-hosted servers. While flexible, it requires customers to manage infrastructure,...
Recommendations tracked on public social media and blogs since March 2021.
3CX3 mentionsCloudLinux0 mentions
Facebook Messaging App Review Fails
This Facebook App is used to integrate our 3CX Phone System (https://3cx.com) with Facebook Messenger. This app allows us to connect Facebook Messenger to our internal Chat system in our 3CX PBX Phone System so that we can seamlessly...
Source:
almost 3 years ago
3CX Instance Not Working
The instruction from 3cx.com is "When the Debian installer finishes, the machine is rebooted and the 3CX installation starts automatically.".
Source:
almost 4 years ago
Stuck integrating an ATA with SBC on a wee-little home network
Disclaimer: I'm out of my element here. I've watched a few youtube videos, and followed several guides on 3cx.com to get me where I am today.
Source:
over 4 years ago
Tracking CloudLinux since Mar 2021.
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