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1 Installation of the PortSIP PBX

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PortSIP PBX Free Edition

You can install the PortSIP PBX Free Edition, which supports up to 3 simultaneous calls and 10 registered extensions.

If you require higher capacity—for example, more concurrent calls or additional extensions—please refer to the PortSIP PBX Pricingarrow-up-right page for detailed licensing options.

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Supported PortSIP PBX Versions

PortSIP PBX currently maintains two active major versions:

  • v22.x – Actively developed and fully supported

  • v16.x – In maintenance mode; no new features are being developed

❗Recommendation For optimal performance, security, and access to the latest features, we strongly recommend installing the latest v22.x release.

If you are currently running v16.x, we strongly recommend upgrading to v22.x to ensure ongoing compatibility and to benefit from continued enhancements and fixes.

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PortSIP ONE App Compatibility

Starting with PortSIP PBX v22.0, PortSIP introduced the all-new PortSIP ONEarrow-up-right application.

PortSIP ONE provides a modern, unified business communications experience with a comprehensive set of features. However, please note the following compatibility requirements:

  • PortSIP ONE is compatible only with PortSIP PBX v22.x

  • PortSIP ONE is not compatible with PortSIP PBX v16.x

  • The legacy PortSIP softphonearrow-up-right, which worked with v16.x, is not compatible with v22.x

❗Important Ensure your PBX version and client applications are compatible before upgrading or deploying new client software.

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