Compare the Top PBX Software that integrates with IBM Cloud as of August 2025

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

What is PBX Software for IBM Cloud?

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 IBM Cloud currently available using the table below. This list is updated regularly.

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    sipXcom

    sipXcom

    sipXcom

    sipXcom was established in January of 2015 from a fork in the sipXecs project by the development team at eZuce, Inc. sipXecs and SIPfoundry in particular had become a user community and was not seeing any growth in the developer community. Due to a restrictive contributor agreement, sipXcom is without any restrictive contribution rights. sipXcom source code licensing is based on the copyleft-friendly AGLP v3 (Affero General Public License). SWARM is the code name for the next generation of sipXcom/sipXecs projects. Under development with anticipated production readiness scheduled for early 2017, SWARM will be a microservices-based architecture that will improve upon sipX scalability, reliability and configurability. The software is designed to support any compute platform whether you want to use dedicated, virtual, or cloud-based servers. You can also create hybrid implementations with a combination of premise-based and data center or cloud instances.
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