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Kamailio v1.5.0 Released

March 2nd, 2009 Posted in News Tags: , , ,

Kamailio (OpenSER) v1.5.0 is out – a version with the biggest new features boost since project started…

On March 02, 2008, Kamailio (OpenSER) 1.5.0 has been released. It represents the major version with the biggest new features boost since project was started back in 2005.

Release 1.5.0 comes after a shorter development period than usual – about five months of coding and more than one month of extensive testing, but brings lot of new features and improvements, with special care to stability, performance, security and flexibility. A short summary of what the release brings out:

  • configuration file caching system – generic storage engine in memory via htable module allowing to share data between processes and reduce SQL operations by storing results in cache
  • execute SQL queries against multiple databases and access the results in a fast and natural fashion
  • execute config file route blocks on timer
  • send SIP requests from config file
  • perform HTTP queries from config file – integration with web service
  • dialog info presence support – RFC4235
  • support for TLS server_name extension (aka SNI=server name indication)
  • support for non-blocking logging
  • many enhancements to least cost routing (LCR), load balancing (dispatcher) and carrier routing (carrierroute)
  • access in config file to both request or reply during transaction processing
  • perl-like regular expression support (PCRE library)
  • sanity check of SIP message structure
  • protection against SIP reply attack
  • twelve new modules
  • code restructuring in core – slimmer and less exposed to issues
  • web management interface – SIREMIS

See more detailed description of the new features in the “New Features” section of this document.


You can download the tarball of the released sources at

Binary packages for several distributions you can find at

You can browse the source code SVN repository at:


Packages will be uploaded as soon as they are submitted.


More details at:


SIP Router Masterclass – April 2009

February 10th, 2009 Posted in News Tags: , , , ,

Asipto SRL in partnership with Edvina AB launches first training class program dedicated to Kamailio (OpenSER) and SIP Express Router (SER).

You can learn from Daniel-Constantin Mierla, co-founder and main developer of OpenSER/Kamailio, and Olle E. Johansson, main Asterisk SIP developer,  the mechanisms to build large VoIP platforms.

The first class is held in Stockholm, Sweden, April 20-24, 2009.

Download course brochure from here. More details are available here.

SIREMIS Project Launched

January 21st, 2009 Posted in News Tags: , , , ,

Asipto SRL has launched the SIREMIS Project, aiming to build web management interface for Kamailio (OpenSER). Later will follow also the sip-router.org project.

Under management of Elena-Ramona Modroiu, the project was developed so far by Asipto – http://www.asipto.com – using OpenBiz PHP framework — the target was to make it easier to extend for non-web developers. Soon, the project sources will be hosted on sourceforge.net SVN (project name: siremis).

Homepage of the project is:

The first beta release is available for download and includes the features:

  • subscriber, database aliases and speed dial management
  • location table view
  • dispatcher, prefix-domain translation and least cost routing (lcr) management
  • access control lists (user groups) and permissions management
  • accounting records, missed calls and call data records view
  • hash table, dial plan table and user preferences table management
  • off-line message storage view
  • it was tested with MySQL but should support other sql-like DBs

Internal design:

  • developed on top of a framework: PHP/Web2.0/Ajax
  • XML Metadata driven extensions
  • Model-View-Controller (MVC) architecture

You can see some screenshots at:

For few days, a demo site can be accessed at:
– username: admin and password: admin

Download and installation details:

We hope you will enjoy it and help to extend it. The plan is to release first stable version more or less at the same time with Kamailio (OpenSER) 1.5.0.

The SIP Router Project Launched

November 4th, 2008 Posted in News Tags: , , ,

The SIP Router Project started aiming to build a solid open source SIP routing platform, based on collaboration of the SIP Express Router (SER) and Kamailio (OpenSER) teams.

Developers of these two projects believe that an united and non-conflicting environment will bring many benefits, to them, community members and companies.

– bring together the developers and user communities of both projects
– reduce maintenance overhead
– avoid duplicated efforts in development
– develop a core framework that is flexible, extensible and scalable
– promote and build a solid open source SIP server project
– ensure business credibility
– make future forking undesirable, this harms everybody, affects credibility and business

You are welcome to join! Visit:

Mailing list:

There will be a meeting for concluding the collaboration and kick start the integration. Everybody is welcome to join. See more details: