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» OpenSIPS 3.0 Dev Plan - 13th of December 2018
Checkout and get involved in planning the OpenSIPS 3.0 major release. 
» OpenSIPS Summit Call For Paper - 5th of December 2018
Share your wisdom and experience with the world during OpenSIPS Summit 2019. 
» The OpenSIPS Summit - April 30th - May 3rd 2019, in Amsterdam, NL
Four full days of just VoIP & RTC knowledge in its most pure format.
Conference, Open Discussions, Design Clinics, Workshops and Trainings! 
 


OpenSIPS is an Open Source SIP proxy/server for voice, video, IM, presence and any other SIP extensions.


OpenSIPS is a multi-functional, multi-purpose signaling SIP server used by carriers, telecoms or ITSPs for solutions like Class4/5 Residential Platforms, Trunking / Wholesale, Enterprise / Virtual PBX Solutions, Session Border Controllers, Application Servers, Front-End Load Balancers, IMS Platforms, Call Centers, and many others - see the full Set of Features.


OpenSIPS is recommended for any kind of SIP scenario / service by:

  • the high throughput - tens of thousands of CPS, millions of ‏simultaneous calls (see official tests)
  • the flexibility of routing and integration - routing script for implementing custom routing logics, several interfacing APIs (see the Manual)
  • the effective application building - more than 120 modules to provide features, for SIP handling, for backend operations, for integration, for routing logics (see List of Modules)
» Download OpenSIPS
 2.4.4 - stable LTS release
2.2.7 - stable LTS release
» OpenSIPS Blog
 Stay connected to the OpenSIPS project via our official blog
» Donate
 Support OpenSIPS by making a donation to the project.
» VoIP Account
 Free VoIP Service by OpenSIPS
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Latest News...

Call for Papers for OpenSIPS Summit 2019
05th of December 2018 The Call for Papers for OpenSIPS Summit 2019 is open. Share with the community and submit your paper now! Read more...


OpenSIPS Control Panel 8.2.4 released
01st of November 2018 OpenSIPS CP 8.2.4 matching OpenSIPS 2.4 is now ready for usage! Better looking, more secure, more powerful. Read more...


Clustered SIP User Location: The “Full Sharing” Topology
13th of September 2018 What are the available options for Full Sharing and how to properly configure them. Read more...


SIP bridging over multiple interfaces
4th of September 2018 There are scenarios where you need OpenSIPS to route SIP traffic across more than one IP interface. So, how do you do it in the right way? Read more...


A Better Way of Saying “Thank You!” to OpenSIPS Contributors
17th of August 2018 As time goes by, code, pull requests and patches for an open-source project will naturally keep arriving in a steady stream. How to we keep track of everything?. Read more...


10 years of the OpenSIPS Bootcamp
31th of July 2018 Time is flying when you're having good time. Last week we celebrated 10 year of fun under the name of OpenSIPS. Read more...


10 years of OpenSIPS and more
9th of August 2018 The first OpenSIPS Bootcamp was held in Miami, 10 years ago. Since then, many things changed. Read more...


Handling SIP Redirect Requests in realtime
5th of July 2018 The SIP redirect mechanism is a simple and straight forward one - the originally contacted destination indicates, via a 3xx reply, that a different set of destinations should be contacted. Read more...


Releases...


Minor release: OpenSIPS 2.4.4
8th of November 2018 This year's holidays come with a new OpenSIPS 2.4 branch release that contains a lot of bug fixes! Read more...


Minor release: OpenSIPS 2.4.3
8th of November 2018 Latest OpenSIPS 2.4 branch release consists of important bug fixes! Read more...


Minor release: OpenSIPS 2.3.6
14th of August 2018 Last version of the 2.3 branch has been released! Read more...


Minor release: OpenSIPS 2.4.2, and 2.3.5
14th of August 2018 Some even more stable OpenSIPS versions, so upgrade your installs as soon as you can! Read more...


Minor release: OpenSIPS 2.4.1, 2.3.4 and 2.2.7
24th of May 2018 All releases contain important fixes, so upgrade your installs as soon as you can! Read more...


Minor releases: OpenSIPS 2.3.3 and 2.2.6
17th of Jan 2018 After several months of bug fixes, two new releases are now out: OpenSIPS 2.3.3 and 2.2.6! Read more...


Page last modified on December 18, 2018, at 05:05 PM