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» The OpenSIPS US Summit - 9th - 10th of November 2015, in Austin, TX, USA
The first two days OpenSIPS Summit in the USA, exclusively bringing the latest presentations and workshops staring OpenSIPS 2.1 (Registration here)  
» The OpenSIPS Advanced Training Class - 11th to 13th of November 2015, in Austin, TX, USA
The the first training with providing 3 days of in-class advanced training, with an included intro of 2 days online training for beginners. Everything providing in depth coverage of OpenSIPS 2.1 (Registration here)

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
 2.1.1 - stable release
1.11.5 - 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 Realtime monitoring of registered end-points
1st of October 2015 New feature: monitor (SIP OPTIONS probing) and delete in realtime not responding registrations Read more...

New Event Virtual module
25th of September 2015 A new module to provide failover & balancing between multiple event backends! Read more...

OpenSIPS Public Meeting
23rd of September 2015 The September's public meeting of this year is scheduled for Wednesday, 30.09.2015, at 15:00 GMT. Make sure you don't miss it! Read more...

OpenSIPS 2.1.1 Minor release
19th of August 2015 First minor release on branch 2.1 is now out, in a better shape as ever! Read more...

MI_XMLRPC_NG XML output rework
18th of August 2015 XMLRPC management can now be done more efficient by taking advantage of the new XML representation, compliant with the XMLRPC standards! Read more...

OpenSIPS BIN Interface now uses TCP
18th of August 2015 The OpenSIPS bin interface reliability and packet loss problems has now been solved by switching the protocol from UDP to TCP! Read more...

1.8, 1.10 and 1.11 Minor Releases
7th of May 2015 OpenSIPS 1.8.8, 1.10.5 and 1.11.5 versions have been released! Read more...

OpenSIPS Public Meeting
24th of April 2015 The April's public meeting of this year is scheduled on Wednesday, 29.04.2015, at 17:00 EEST. Make sure you don't miss it! 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 October 01, 2015, at 04:06 PM