Best PBX Software for Ubuntu

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Compare the Top PBX Software that integrates with Ubuntu as of July 2025

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This a list of PBX software that integrates with Ubuntu. Use the filters on the left to add additional filters for products that have integrations with Ubuntu. View the products that work with Ubuntu in the table below.

What is PBX Software for Ubuntu?

PBX software, short for Private Branch Exchange software, is a type of telephone system used to manage incoming and outgoing calls within an organization. It is a unified communication system that allows for integration with other applications for business needs. PBX systems are usually deployed on-premises, but can also be cloud-based in some cases. They provide features such as automatic call distribution, dial by name directory and interactive voice response systems. Compare and read user reviews of the best PBX software for Ubuntu currently available using the table below. This list is updated regularly.

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    FusionPBX

    FusionPBX

    FusionPBX

    FusionPBX can be used as a highly available single or domain-based multi-tenant PBX, carrier-grade switch, call center server, fax server, voip server, voicemail server, conference server, voice application server, appliance framework and more. FreeSWITCH™ is a highly scalable, multi-threaded, multi-platform communication platform. It provides unlimited extensions, voicemail-to-email, music on hold, call parking, call center, call queues, phone provisioning and many other features. It provides the functionality your business needs and brings corporate-level phone system features to small, medium and large businesses. A large amount of time has been used to fix bugs and tighten security and improve the code. There is also progress being made on the future release. We have made a good amount of progress and the master branch is far ahead of the current release in many ways. We are working diligently to finish the last changes that we feel are needed for this coming release.
    Starting Price: $100 per month
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