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OpenSIPS 3.6.x is a stable release. It is recommended for production usage.
OpenSIPS 3.6 Overview - a glimpse in the development plan of OpenSIPS 3.6 to see what this new release can do for you.
Minor release (see Changelog)
Release date: 20th of May 2026
Minor release (see Changelog)
Release date: 6th of May 2026
Minor release (see Changelog)
Release date: 18th of February 2026
Minor release (see Changelog)
Release date: 18th of December 2025
Minor release (see Changelog)
Release date: 22nd of October 2025
Minor release (see Changelog)
Release date: 20th of August 2025
Beta release
Release notes: full technical listing
Release date: estimated July 2025
Beta-Release date : 21st of May 2025
Last-Release date : n\a