About -> Available Versions -> Version 3.5.x

OpenSIPS 3.5.x is a stable release. It is recommended for production usage.

OpenSIPS 3.5 Overview - a glimpse in the development plan of OpenSIPS 3.5 to see what this new release can do for you.

OpenSIPS 3.5.9

Minor release (see Changelog)
Release date: 18th of December 2025

OpenSIPS 3.5.8

Minor release (see Changelog)
Release date: 22nd of October 2025

OpenSIPS 3.5.7

Minor release (see Changelog)
Release date: 20th of August 2025

OpenSIPS 3.5.6

Minor release (see Changelog)
Release date: 25th of June 2025

OpenSIPS 3.5.5

Minor release (see Changelog)
Release date: 23rd of April 2025

OpenSIPS 3.5.4

Minor release (see Changelog)
Release date: 19th of February 2025

OpenSIPS 3.5.3

Minor release (see Changelog)
Release date: 18th of December 2024

OpenSIPS 3.5.2

Minor release (see Changelog)
Release date: 23rd of October 2024

OpenSIPS 3.5.1

Minor release (see Changelog)
Release date: 21st of August 2024

OpenSIPS 3.5.0

Stable release
Release notes: full technical listing
Release date : 24th of July 2024
Beta-Release date : 9th of May 2024