Virtual PBX Knowledge 17/06/2026

Comparing OMICall and the open-source FreePBX system.

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FreePBX is the world’s most reliable open-source PBX platform. At its core is an open-source-based configuration file editor and graphical user interface, empowering companies using Asterisk® PBX software to save time – making it easier to write your dialing plans and configuration files and allowing you to focus on other aspects of setting up your VoIP communication system.

Overview of OMICall and FreePBX

FreePBX is a web-based, open-source GUI (graphical user interface) for controlling and managing Asterisk (PBX), an open-source communication server. FreePBX is licensed under the GNU Public License (GPL), an open-source license. FreePBX can be installed manually or as part of a pre-configured FreePBX Distro that includes the system OS, Asterisk, FreePBX GUI, and dependencies.

The OMICall virtual PBX system uses new VoIP technology based on cloud-based operation, commonly used in businesses for smart customer service virtual PBX. This helps businesses save on call costs, optimize operations, increase call answer rates, offers convenience in use, and easily integrates with other systems.

Comparison of OMICall and FreePBX open-source PBX systems

Advantages and Disadvantages between OMICall virtual PBX and FreePBX open-source PBX

	FreepBX open-source call center	OMICall virtual call center system
Advantage	– Each new version released features powerful configuration functions and numerous improvements that help virtual PBX systems develop. – The majority of distributed hardware has been deployed in millions of PBX systems. – Strong support features include a new user control panel and secure module administration.	– Operates entirely on integrated CRM customer management features. – Low cost: No charges for long-distance or international calls. – Easily scalable without hardware upgrades. Easy region forwarding. – Easy system monitoring and management via web administration. – Saves call center personnel thanks to automation mechanisms: Automatic call answering (IVR), automatic call distribution (ACD), voicemail, etc.
Disadvantages	– While some technical knowledge is needed to fully utilize or create your own GUI, FreePBX combines it all.	– Based on a cloud-based system using an internet connection, therefore the connection may occasionally experience static or echo. – Assets are not located at the company headquarters, and cannot be touched, seen, or measured.

Key differences between the two virtual PBX systems: OMICall and the open-source FreePBX.

FreepBX open-source call center	OMICall virtual call center system
– S-Series phones are automatically provisioned using Sangoma’s cloud-based forwarding server, which authenticates the S-Series phones and redirects them to the PBXact/FreePBX phone system.	– Extension distribution feature, call forwarding to employee’s personal phone if all extensions are offline – Easily make and receive calls via regular personal phone without fear of missing calls
– S-Series phones have PhoneApps, which are applications on the phone that can be controlled from the phone screen without needing to dial a feature code.	– Forward calls to the employee’s personal phone if all extensions are offline. – Easily make and receive calls using a regular personal phone without fear of missing calls.
– For brokers, secretaries, and receptionists, the EXP100 sidecar adds BLF (Busy Lamp Field) buttons to S-Series IP phones for extra functionality.	– Each customer will be managed by a sales representative, and the sales representative managing a customer will only see that customer. – When a customer calls the hotline, the call will be automatically transferred to the correct sales representative who is currently serving them.
– S-Series phones support TLS/SRTP encryption, so hackers cannot attempt to intercept or eavesdrop on calls.	– Manage detailed customer and telesales reports and statistics thanks to a highly secure CRM system. Integrate fanpage management and group video call capabilities.

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