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Some of the features that OpenSIPS brings:

  • robust and performant SIP (RFC3261) Registrar server, Location server, Proxy server and Redirect server
  • small footprint - the binary file is small size, functionality can be stripped/added via modules
  • plug&play module interface - ability to add new extensions, without touching the core, therefore assuring a great stability of core components
  • stateless and transactional statefull SIP Proxy processing
  • support for UDP/TCP/TLS/SCTP transport layers
  • IPv4 and IPv6
  • support for SRV and NAPTR DNS
  • SRV DNS failover
  • IP Blacklists
  • multi-homed (mhomed) and multi-domain support
  • flexible and powerful scripting language for routing logic
  • variables support in script - script variables, pseudo-variables (access to the SIP messages), AVPs (values persistent per SIP transactions)
  • management interface via FIFO file and unix sockets
  • authentication, authorization and accounting (AAA) via database (MySQL, Postgress, text files), RADIUS and DIAMETER
  • digest and IP authentication
  • Presence Agent support (many additional integration features)
  • XCAP support for Presence Agent
  • CPL - Call Processing Language (RFC3880)
  • SNMP - interface to Simple Network Management Protocol
  • management interface (for external integration) via FIFO file, XMLRPC or Datagram (UDP or unixsockets)
  • NAT traversal support for SIP and RTP traffic
  • ENUM support
  • PERL Programming Interface - embed your extensions written in Perl
  • Java SIP Servlet Application Interface - write Java SIP Servlets to extent your VoIP services and integrate with web services
  • load balancing with failover
  • least cost routing
  • support for replication - REGISTER offer new functions for replicating client information (real source and received socket).
  • logging capabilities - can log custom messages including any header or pseudo-variable and parts of SIP message structure.
  • modular architecture - plug-and-play module interface to extend the server's functionality
  • gateway to sms (AT based)
  • multiple database backends - MySQL, PostgreSQL, Oracle, Berkeley, flat files and other database types which have unixodbc drivers
  • straightforward interconnection with PSTN gateways
  • dialog support (call monitoring, call termination from proxy side, call profiling)
  • XMPP gateway-ing ( transparent server-to-server translation)
  • impressive extension repository - over 70 modules are included in OpenSIPS repository

Scalability:

  • OpenSIPS can run on embedded systems, with limited resources - the performances can be up to hundreds of call setups per second
  • used a load balancer in stateless mode, OpenSIPS can handle over 5000 call setups per second
  • on systems with 4GB memory, OpenSIPS can serve a population over 300 000 online subscribers
  • system can easily scale by adding more OpenSIPS servers
  • OpenSIPS can be used in geographic distributed VoIP platforms
  • straightforward failover and redundancy

Your VoIP Account

News

OpenSIPS Getting Started

21st of April 2012 OpenSIPS Getting Started Video Tutorial about how to do an installation of OpenSIPS and OpenSIPS-CP...
Watch it now...

OpenSIPS Devel Course

12th of April 2012 Learn about OpenSIPS internals both core and modules...
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OpenSIPS 1.8.0

22nd of March 2012 OpenSIPS 1.8.0 major release ready...
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Dynamic Routing

20th of March 2012 Enhancements of DR engine...
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APT repository

23nd of February 2012 New official APT repository for Debian & Ubuntu
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OpenSIPS 1.7.2

22nd of February 2012 OpenSIPS 1.7.2 minor release out...
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SIP Validation Support

20th of February 2012 Prevent malformed SIP messages from propagating through your network
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DNS Caching Support

13th of February 2012 Cache system for all types of DNS records
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Distributed Dialog Profiles

9th of February 2012 Shared dialog profiles between multiple instances of OpenSIPS
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Configuration and Scripting Tool

19th of January 2012 Graphical Configuration and Scripting Tool for OpenSIPS
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Cassandra driver

05th of January 2012 Cassandra backend for OpenSIPS
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LUA integration

05th of January 2012 Using LUA scripting with OpenSIPS
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OpenSIPS Pavilion @ ITExpo 2012

22th of December 2011 OpenSIPS Pavilion booth #535, 1-3 Feb 2012
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OpenSIPS and HOMER

14th of December 2011 Distributed SIPtracing and SIPcapturing
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OpenSIPS eBootcamp

12th of December 2011 New Ebootcamp session starting on 15th of February 2012.
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OpenSIPS 1.7.1

23rd of November 2011 OpenSIPS 1.7.1 minor release out...
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Ratelimit

3rd of November 2011 Dynamic and distributed support...
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OpenSIPS VM 1.7.0

1st of November 2011 Live Virtual Machine for OpenSIPS 1.7...
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MI via HTTP

25th of October 2011 Bultin HTTP server for MI...
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Events via RabbitMQ

12th of October 2011 Event Interface can push events via RabbitMQ...
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Key-Value Cache/DBs

6th of October 2011 Script and module support for key-value oriented backend...
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GRUU support

4th of October 2011 OpenSIPS registrar with GRUU / RFC5627...
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OpenSIPS 1.8.0 preview

30th of September 2011 What is set to be done for OpenSIPS 1.8.0...
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OpenSIPS eBootcamp

28th of July 2011 New Ebootcamp session starting on 19th of September.
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OpenSIPS 1.7.0

12nd of July 2011 OpenSIPS 1.7.0 major release ready...
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ClueCon 2011

11th of July 2011 Talks and one-day free training
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New in 1.7.0

6th of July 2011 What is new in OpenSIPS 1.7.0
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SVN Freeze

30th of June 2011 Testing phase started for 1.7 release
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Topology Hiding

30th of June 2011 Topology Hiding based on dialog module
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New AVP naming

23rd of June 2011 A simpler and more efficient way of naming AVPs
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DB Optimization

22nd of June 2011 Multi-row DB insert operations.
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Event Notification Interface

26th of May 2011 External interaction via the Event Interface.
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OpenSIPS eBootcamp

28th of March 2011 New Ebootcamp session starting on 2nd of May.
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UAC_REGISTRANT module

10th of March 2011 New module to allow OpenSIPS to UAC register.
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Performance degradation with complexity

08th of March 2011 Tests to show how performance is affected with complexity.
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Load and performance monitoring

22nd of February 2011 New statistics and traps for OpenSIPS monitoring.
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OpenSIPS 2.0

17th of February 2011 OpenSIPS 2.0 first code release.
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OpenSIPS Online Meeting

15th of February 2011 OpenSIPS Online Monthly Meetings started.
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OpenSIPS Social Event

24th of January 2011 OpenSIPS Social Event - Miami, 3rd of February.
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OpenSIPS eBootcamp

17th of January 2011 New Ebootcamp session starting on 28th of February.
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OpenSIPS 1.6.4

20th of December 2010 OpenSIPS 1.6.4 major release ready...
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OpenSIPS media timeout

16th of December 2010 Ghost call hunting with media timeout ...
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Page last modified on March 02, 2009, at 06:05 PM