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» The OpenSIPS Summit - 2nd - 5th of May 2017, in Amsterdam, NL
The 2017 OpenSIPS Summit presents OpenSIPS 2.3 focused on extended integration capabilities and includes new exciting activities such as Round Tables and Interactive Demos and Showcases. 
» The OpenSIPS Design Clinics - 4th May 2017, in Amsterdam, NL
Bring your ideas or designs and we will analyze and proof them in one-2-one discussions. 
» The OpenSIPS Advanced Training - 5th May 2017, in Amsterdam, NL
Hands-on training for building a complete system with OpenSIPS, FreeSWITCH, HOMER and CGRates .

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
 2.2.2 - stable LTS release
2.1.5 - stable release
1.11.9 - 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...

mid-registrar now available on the OpenSIPS development branch!
20th of Dec 2016 Learn how to optimize registration-heavy SIP platforms with a mid-registrar! A tutorial is available, covering the deployment and configuration of this new component! Read more...

Tutorial for Advanced SIP Accounting in OpenSIPS!
19th of Oct 2016 From basic to complex accounting scenarios, with detailed explanations and working scripts examples! Read more...

OpenSIPS 2.2.2, 2.1.5 and 1.11.9 have been released!
19th of Oct 2016 Three new OpenSIPS versions have just been released: OpenSIPS 2.2.2, OpenSIPS 2.1.5 and 1.11.9! All releases contain important fixes, so upgrade your installs as soon as you can! Read more...

OpenSIPS Control Panel 6.2
28th of September 2016 OCP 6.2 is now released with Homer and OpenSIPS 2.2 clustering support ! Read more...

OpenSIPS eBootcamp
19th of September 2016 The next OpenSIPS eBootcamp session starts on 31st of October, with a new format ! Read more...

OpenSIPS 2.2.1 and 2.1.4 minor releases are out
20th of July 2016 Two new OpenSIPS stable releases are out! Upgrade your OpenSIPS version to get the latest bug fixes! Read more...

OpenSIPS Training @ Cluecon
12th of August 2016 Building a complete system with OpenSIPS, FreeSWITCH, HOME and CGRates ! Read more...

OpenSIPS 1.11.8 is out!
17th of June 2016 Following several major fixes, we just released a new OpenSIPS 1.11.8! Read more...

Community Tweets...

Building Telephony Systems with OpenSIPS - Second Edition
3rd of February 2016 The Second Edition of the book is now available on Packt Publishing web site, uncovering OpenSIPS 2.1 for all the users.

OpenSIPS Brazil Community
25th of September 2013 OpenSIPS Brazil is a project for creating documentation and community of people interested in OpenSIPS. Fresh tutorials already available on their wiki.

OpenSIPS Embedded Perl Module
20th of September 2013 Tutorial on the OpenSIPS Perl Module and how to do proper testing of your Perl code Read more...

OpenSIPS and Apple Push Notification
12th of April 2013 Great tutorial on OpenSIPS and Apple Push Notification service(APNS) integration.

Twilio seems to be using OpenSIPS
20th of March 2013 Saúl Ibarra Corretgé claims that Twilio is using OpenSIPS.

OpenSIPS with Cassandra Backend
21th of January 2013 Tutorial covering setting up OpenSIPS with Cassandra as it's cache store.

OpenSIPS and A2Billing
12th of January 2013 Integration of OpenSIPS, Asterisk and A2Billing.

Page last modified on December 20, 2016, at 03:47 PM