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» OpenSIPS 2.1 (rc) is available, download now!
OpenSIPS 2.1 release candidate is an exciting version bringing WebSockets, Async DB queries, Fraud Detection, SIP Compression and more! Read all about it in the release notes!  
» OpenSIPS Summit Amsterdam - 12th - 13th of May 2015
The first European and the first 2 days OpenSIPS Summit is set to happen in Amsterdam - presentations and workshops where the main star is OpenSIPS 2.1. Registration is open!

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 Server, IM Server, Session Border Controller, 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
 2.1-rc1 - release candidate
1.11.3 - stable LTS release
2.2-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...

OpenSIPS WebSocket Support
17th of March 2015 The new OpenSIPS 2.1 release will provide WebRTC support using the new WebSocket module. Read more...

NEW OpenSIPS Fraud Detection module
2nd of March 2015 OpenSIPS 2.1 can now detect and prevent calls from hijacked accounts through its NEW fraud_detection module. Read more...

OpenSIPS Public Meeting
24th of February 2015 The February's public meeting of this year is scheduled on Wednesday, 25.02.2015, at 17:00 EET. Make sure you don't miss it! Read more...

New OpenSIPS Compression Module
24th of July 2014 The new OpenSIPS compression module allows you to achieve deflate and gzip compression/decompression, as well as SIP message compaction, in order to prevent message fragmentation. Read more...

Async script operations
26th of January 2015 Running DB queries, REST queries or external scripts in full asynchronous mode! Read more...

Next OpenSIPS Bootcamp Scheduled
10th of December 2014 The first 2015 OpenSIPS eBootcamp training session to start on 23rd of February, the last session covering OpenSIPS version 1.11.x . Read more...

1.8, 1.10 and 1.11 Minor Releases
15th of October 2014 OpenSIPS 1.8.6, 1.10.3 and 1.11.3 versions have been released! Read more...

Community Tweets...

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.

Monitoring OpenSIPS with SNMP
19th of September 2012 Using Zabbix in order to monitor OpenSIPS via SNMP.

Page last modified on March 18, 2015, at 08:04 PM