Wednesday, January 30, 2008

MSRPRelay released

A new project was released to the public on the 29th of January, 2008. Adrian Georgescu of AG Projects announced the version 0.9.1 of MSRPRelay, an Open Source implementation of IETF standard RFC 4976. MSRP relay is an extension to the MSRP protocol (RFC 4975). Its main role is to help NAT traversal of Interactive Messaging and file transfer sessions for SIP/MSRP endpoints located behind NAT.

Out of the box, the software is designed to work in combinations with the
subscriber database used by OpenSER.

For more information visit:

Kamailio (OpenSER) 2007 Awards

Looking back to 2007, it was a fascinating year, that included two major releases, lot of new contributions and contributors, many events around the globe. So, I created my personal top of the people and things that had significant impact to OpenSER environment. I tried to be impartial (hehee…) and give credits to people or projects I do not interact directly. Each category got two winners, listed in alphabetic order.
Related Projects
  • OpenXCAP – the project developed by AG Projects comes to complete the tools you need to run services in SIMPLE Presence area. It’s working natively with OpenSER’s Presence server, I hope to see more SIP phone supporting SIMPLE extensions, considering that a solid ecosystem exists now on server side, and all is open source and free of charge. Web link:
  • SIPWise OpenSER Config Wizard – very nice web-based wizard that let you select from a set of services you want to run on your VoIP platform. With just few clicks you can build your own OpenSER config file, download and start OpenSER in a matter of minutes. Web link:
New contributions
  • LDAP – the last important backend supported by OpenSER, the contribution from Christian Schlatter of University of North Carolina allows seamless integration in environments that relies on LDAP or Active Directory management systems. Web link:
  • Perl – you feel that OpenSER configuration language doesn’t not give the tools you need to be creative to your VoIP services? Get the Perl module, a contribution of Bastian Friedrich of Collax. Anything existing in Perl you can embed and execute in the OpenSER configuration file. Web link:
Technical Support
  • Adam Linford – The OpenSER’s web forum hosted by keeps growing and growing in postings and members. Taking a big responsibility of moderating the posts and answering lot of questions, Adam is the main driver there. Web link:
  • Henning Westerholt – a year of many documentation improvements, mainly in database structure area, but also developing testing suite and running site, Henning filled lot of pieces missing in OpenSER environment. Web link:
  • James Body – Director of Research at Truphone, the UK mobile-VoIP operator. A veteran in VoIP and a charming fan of Open Source and OpenSER, he does not miss any occasion to show the power of the VoIP technologies he is using. His delightful and surprising presentations acquires the audience and highlights OpenSER’s capabilities. Web link:
  • Xavier Casajoana – CEO, Voztelecom. If there are companies using OpenSER at its best, one of them is Voztelecom. Contributing back to community the WeSIP Java SIP Servlet Application server and relying on OpenSER for all innovative products and services (MyVOZ, Oigaa), Voztelecom is keeping revealing to the word the true power of OpenSER. Web link:
  • ClueCon – a great gathering of high technical knowledge, from signaling to media stream mixing, from hardware manufactures to exotic VoIP applications. Web link:
  • OpenSER Devel Meeting – the event hosted by INRIA in June 2007, Paris, France. A pleasant opportunity to meet other OpenSER developer and discuss about the project.
If you think of other categories, just nominate it and the winners. Please comment if some detail is wrong, the information was selected from public internet.

Saturday, January 26, 2008

OpenXCAP v0.9.9 and Soap-Simple-Proxy v1.0.2

There is a new OpenXCAP server release available. Downloads and details at:

Soap-Simple-Proxy exposes a simple to use SOAP interface for the OpenXCAP server. It is a transparent proxy for SOAP to XCAP requests relying on XCAP server for authenticating requests.

Provided functions

1. Publish presence information (using pidf-manipulation application)
2. Set the presence policy for a given presentity (pres-rules application)
3. Retrieve the OpenSER watchers for a given presentity (watchers application)

The software can be used as

- Stand-alone data publisher for persistent Presence documents.
- Policy manager. You can build a web interface to manage the pres-rules
documetn and use it in combination with Eyebeam-lite as a complete SIP
SIMPLE client.
- To retreive and display the active watchers from OpenSER in a web

Monday, January 7, 2008

Asterisk & OpenSER SIP Master Class in Stockholm

The Asterisk & OpenSER SIP Master Class in Stockholm, January 14-18, will be held by two teachers that have all the insights you need to learn the details of Asterisk and OpenSER:

* Olle E. Johansson - Asterisk SIP Developer
* Daniel-Constatin Mierla - OpenSER Developer, co-founder

This class focuses on building a carrier-class scalable network architecture with Asterisk and OpenSER. You need to know Asterisk at the level of the Asterisk Bootcamp or the Asterisk Masterclass by Edvina in order to e able to take this class. Learn more here:

Register now - seats are limited! If you have any questions, please contact Emnet Jonsson at

info (at) or phone +46 8 96 40 20.

See you in Stockholm!

CDRTool 6.1.0 released

AG Projects announced today the availability of CDRTool v6.1.0.

CDRTool is an Open Source solution that provides mediation, accounting and tracing for Call Detail Records enerated by Kamailio (OpenSER) by using RADIUS protocol and Kamailio (OpenSER) siptrace facility.

OpenSER 1.2.3 Released

On the 20th of December 2007, a patch release for old 1.2 stable series was released as 1.2.3. Those running 1.2 branch and have no time or interest to upgrade to 1.3 branch (first stable release in this branch was out on the 13th of December 2007 as 1.3.0) should upgrade to 1.2.3, as it provides higher grade of stability.

The config file is full-compatible with any previous version in 1.2 branch, so the upgrade from 1.2.2 to 1.2.3 shall go smooth.

More details at