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Kamailio awarded Best Open Source Networking Software 2009

September 1st, 2009 Posted in News

InfoWorlds’2009 Bossies has awarded Kamailio project The Best of Open Source Networking Software 2009.

Daniel-Constantin Mierla and Elena-Ramona Modroiu, people leading Asipto, are co-founders of Kamailio (former OpenSER) back in 2005, currently members of project’s management board.

Asipto’s portofolio is Kamailio-centric, every solution we design and deliver use Kamailio SIP server, either as SIP registrar, load balancer, least cost router or SIP application server for presence, instant messaging a.s.o.

Our top training program, SIP Router Masterclass, has Kamailio as main teaching subject – next to be held is November 9-13, 2009, in Berlin, Germany – more details and registration here.

For the near future, Asipto team directs many resources to release Kamailio 3.0, first in its series to use the SIP Router core, making it more performant and feature rich.

SIREMIS v0.9.3 released

August 3rd, 2009 Posted in News

For a few days a new release of SIREMIS web management interface for Kamailio (OpenSER) and SIP Router engines is available bringing new set of features among them:

  • Communication with SIP-Router.org and SIP Express Router (SER) via XMLRPC
  • Communication with FreeSwitch via event socket
  • Support to print rich html formatting of MI, XMLRPC and FreeSwitch command response
  • Stand-alone PHP classes for MI, XMLRPC and FS Event Socket, making further development easier
  • Updated PHPOpenBiz core
  • More sortable fields
  • More quick references between tables
  • Auto-suggested values for group field on adding new records

Get to know SIREMIS application via SCREENSHOTS or ONLINE DEMO (user=admin, password=admin).

SIP Router Bootcamp – September 1-4, 2009, Berlin, Germany

July 8th, 2009 Posted in News

Next SIP Router Bootcamp will take place at the end of the summer, on September 1-4, 2009 in Berlin, Germany.


Daniel-Constantin Mierla – co-founder of OpenSER/Kamailio project in 2005, currently core-developer and member of project’s management board

Olle Johansson – Asterisk developer and member of the Digium Asterisk Advisory Board.

By end of 2008, Kamailio (OpenSER) and SIP Express Router (SER) started a joint collaboration under http://sip-router.org project, bringing together valuable developers and architects of SIP servers. Kamailio 3.0 and SER 3.0 (to be released soon) become compatible in terms of configuration file and extensions.

Click here for course details and registration.

Asterisk SIP Masterclass Summer 2009

May 27th, 2009 Posted in News Tags: , , , , , ,

Asterisk SIP Masterclass is professional training program dedicated to Asterisk and integration with SIP router (Kamailio/OpenSER). This class focuses on building a carrier-class scalable network architecture with Asterisk and Kamailio (OpenSER).

The course will be taught by two teachers that have all the insights you need to learn the details of Asterisk and Kamailio (OpenSER):

  • Olle E. Johansson – Asterisk SIP Developer and Kamailio (OpenSER) contributor
  • Daniel-Constatin Mierla – Kamailio (OpenSER) Developer and founder

The class is held in Malaga, Spain, June 22-26, 2009.

Register now – seats are limited! It is more than a learning opportunity, a great chance for networking and business opportunities, a place to get in touch with latest VoIP technologies and professionals world-wide.

For more details and registration:

E-Learning Class to start on June 3, 2009

May 14th, 2009 Posted in News Tags: , , , ,

E-Learning class on SIP Router Configuration File is due to start on June 3, 2009. Late registrations are accepted up to June 12, 2009.

The class duration is six months and gives the opportunity to learn how to write proper configuration files for SIP Router and Kamailio (OpenSER) SIP servers, how to take care of VoIP security and scale the service. Target attendees:

  • VoIP administrators willing to learn and have a support channel for SIP Router configuration file
  • System and network administrators willing to enhance their portfolio with VoIP knowledge

Please use the contact form for registration details.


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

The third edition of ROSDEVRomanian Open Source Development Meeting – takes place in Brasov, Romania, April 04, 2009.

The intiative was started by Elena-Ramona Modroiu, COO Asipto, back in 2006, targeting to build the event that gathers Romanian developers working with Open Source projects.

This year the conference goes international, with invited people from other countries. Asipto team will present its new SIREMIS project along with Kamailio (OpenSER) and SIP-Router.org projects.

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.