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» OpenSIPS eBootcamp - 31st of October 2016
The next eBootcamp session is scheduled to start on 31st of October 2016, with a new course format combining videos, labs and interactive sessions. Registration is open.  
» OpenSIPS 2.2.2 stable LTS - 19th of October
Built-in clustering, advanced SIP capturing and HEP routing, WSS, SQLite, generic SQL Cacher, new Accounting interface 

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 - it can act as SIP Router/Switch, SIP Registrar, Application Server, Redirect Server, Load Balancer / Dispatcher, Back-to-Back User Agent, Presence & IM Server, Session Border Controller, Call Queuing Server, SIP Front-End, NAT traversal Server, IP Gateway (SMS, XMPP) and 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
2.3-dev - devel version
» Who is Using OpenSIPS
 See who is using OpenSIPS project
» Donate
 Support OpenSIPS by making a donation to the project.
» VoIP Account
 Free VoIP Service by OpenSIPS
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Latest News...

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...

OpenSIPS 1.11.7 and 2.1.3 are out
30th of May 2016 OpenSIPS 1.11.7 and 2.1.3 minor versions are now released! Upgrade your instances now to get the latest fixes! 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 November 03, 2016, at 12:24 PM