Login | Register

» OpenSIPS Bootcamp, Huston, Us - 4th Sept 2017
Join the OpenSIPS project team for an intimate week of in-class training on OpenSIP 2.2
» The OpenSIPS Summit 2017 ended - 8th May 2017
Double the attendance and double the content - see its outcome
» OpenSIPS 2.3 Major Release - 26th April 2017
A new cycle in OpenSIPS evolution producing the major 2.3.0 release.

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
 2.3.0 - stable release
2.2.4 - 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
Login or Subscribe

Latest News...

OpenSIPS Summit 2017 ended!
9th of May 2017 After a full week of "everything SIP", we put together the speaker presentations, the video recordings and the photos. Read more...

Capturing beyond SIP or capturing with Homer 6!
22th of Mar 2017 How to do non-SIP data tracing (transport, logs, REST, MI) and data correlation with OpenSIPS 2.3 and Homer 6. Read more...

Advanced SIP scenarios with Event-based-Routing!
10th of Mar 2017 How to script complex scenarios like Push Notification or Call Pickup with Event-based Routing in OpenSIPS 2.3! Read more...

MongoDB driver enhance in OpenSIPS 2.3!
7th of Mar 2017 Learn all about the enhanced MongoDB driver that's going to make it into the upcoming OpenSIPS 2.3 beta! Read more...

FreeSWITCH-driven routing in OpenSIPS 2.3
1st of Mar 2017 The dispatcher and load_balancer modules now support FreeSWITCH-enabled destinations! Read more...

Troubleshooting missing ACK in SIP
22nd of February 2017 Valuable hints on dealing with disconnected calls due missing ACKs! Read more...

Learning OpenSIPS
15th of February 2017 What are the available training models, online and in-class ? Read more...

RabbitMQ evolution with OpenSIPS 2.3
08th of February 2017 Check out the latest RabbitMQ improvements in OpenSIPS 2.3! Read more...


Minor release: OpenSIPS 2.2.4 and 1.11.11
18th of May 2017 All releases contain important fixes, so upgrade your installs as soon as you can! Read more...

Major release: OpenSIPS 2.3.0
26th of Apr 2017 After several fixes and improvements, we've finally released the latest OpenSIPS 2.3 stable version! Read more...

Major release: OpenSIPS 2.3.0 beta
16th of Mar 2017 A new major step in OpenSIPS evolution - the 2.3 branch is now ready with the OpenSIPS 2.3.0 beta released! Read more...

Minor releases: OpenSIPS 2.2.3 and 1.11.10
23rd of Feb 2017 All releases contain important fixes, so upgrade your installs as soon as you can! Read more...

Minor releases: OpenSIPS 2.2.2, 2.1.5 and 1.11.9
19th of Oct 2016 All releases contain important fixes, so upgrade your installs as soon as you can! Read more...

Minor releases: OpenSIPS 2.2.1 and 2.1.4
20th of July 2016 Upgrade your OpenSIPS version to get the latest bug fixes! Read more...

Page last modified on May 24, 2017, at 07:06 PM