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Blogging about Kamailio SIP Server, Asterisk, FreeSWITCH, SIP, WebRTC, VoIP and more...Daniel-Constantin Mierlahttp://www.blogger.com/profile/05389381828542758021noreply@blogger.comBlogger756125
Updated: 1 hour 5 min ago

TADHack Global 2016 – Berlin

Fri, 10/07/2016 - 13:27
This year the global edition of Telecom Application Developer Hackathon is organized during October 14 -16, 2016, with many locations world wide, among them being also Berlin. For more details, see:TADHack is the global meeting place for developers who want to learn, share, code and create using the tools and technologies available in telecommunications.The Berlin event is hosted by VoIP Lab, part of Buro 2.0 co-working space, being coordinated by Dennis P. Kersten during October 15-16, 2016.Several Kamailio developers from Berlin area are participating to the event. Any developer can participate for free, you are welcome to join us in Berlin or anywhere around the world — you can do it also remotely, from your living room or your preferred working space. Think about an idea to code, hack and demo it for wining some nice goodies from sponsors!Happy telecom hacking!

KazooCon 2016

Thu, 10/06/2016 - 13:26
The next edition of Kazoo Project Conference takes place in San Francisco, CA, USA, during October 17-18, 2016.Kazoo is a flexible cloud PBX platform, released under open source, developed by 2600hz.com, with the telephony engine built using Kamailio, FreeSwitch and an Erlang controller, all wrapped nicely with a web management interface, doing all sorts of things from account management to billing and monitoring.If you want to start a cloud telephony business or get into this market as a reseller, KazooCon is an event that you should definitely attend. More details about the conference are available at:Kamailio incorporates a module with the same name, kazoo, but besides it, the developers from Kazoo project contributed a consistent effort in advancing the presence and database modules. Therefore expect to meet a lot of Kamailio friends around at KazooCon and participate in many interesting discussions.Thanks for flying Kamailio!

New Kamailio Module: RabbitMQ

Thu, 09/29/2016 - 17:35
A new module has been imported recently into the Kamailio git repository, named rabbitmq — its docs are available at:The module is a result of a joint development between Carsten Bock and Stefan Mititelu. If offers AMQP communication from kamailio.cfg using librabbitmq, allowing to interact using a well establish message queuing mechanism with external applications.Enjoy!

AstriCon 2016

Fri, 09/16/2016 - 17:34
The Asterisk Users Conference – AstriCon – is taking place in Glendale, Arizona, during September 27-29, 2016.With a consistent group of VoIP community using both Kamailio and Asterisk projects, Kamailio will have again a strong presence on site this year, including the participation in the expo floor, coordinated this edition by Fred Posner.Along with him, you may meet around Torrey Searle, Nir Simionovich, Joran Vinzens and others that can answer your questions about Kamailio and Asterisk. Like in the past editions, several presentations will touch the use of Kamailio and integration with Asterisk — see agenda.It is definitely a must-attend event if you are looking to build flexible real time communications using Kamailio and Asterisk, or even beyond that, there are not many places around the world where you can find so much VoIP knowledge at the same time along the year!

Kamailio Advanced Training, Oct 24-26, 2016, in Berlin

Thu, 09/15/2016 - 12:45
Next European edition of Kamailio Advanced Training will take place in Berlin, Germany, during October 24-26, 2016.The content will be based on latest stable series of Kamailio 4.4.x, released in March 2016, the major version that brought a large set of new features, currently having the minor release number v4.4.2.The class in Berlin is organized by Asipto  and will be taught by Daniel-Constantin Mierla, co-founder and core developer of Kamailio SIP Server project.Read more details about the class and registration process at:Looking forward to meeting some of you in Berlin!

Kamailio v4.4.3 Released

Wed, 09/14/2016 - 21:00
Kamailio SIP Server v4.4.3 stable is out – a minor release including fixes in code and documentation since v4.4.2. The configuration file and database schema compatibility is preserved.Kamailio v4.4.3 is based on the latest version of GIT branch 4.4, therefore those running previous 4.4.x versions are advised to upgrade. There is no change that has to be done to configuration file or database structure comparing with older v4.4.x.Resources for Kamailio version 4.4.3Source tarballs are available at:Detailed changelog:Download via GIT: # git clone git://git.kamailio.org/kamailio kamailio
# cd kamailio
# git checkout -b 4.4 origin/4.4

    Relevant notes, binaries and packages will be uploaded at:Modules’ documentation:What is new in 4.4.x release series is summarized in the announcement of v4.4.0:Thanks for flying Kamailio!

    Kamailio – 15 Years of Development

    Sat, 09/03/2016 - 12:34
    Fifteen years ago, on September 3, 2001, inside Fraunhofer Fokus Research Institute, first commit to the source code repository of Kamailio has been made by Andrei Pelinescu-Onciul:Here are the references to the first three commits:# git log --pretty=format:"%h%x09%an%x09%ad%x09%s" --reverse | head -3

    512dcd9 Andrei Pelinescu-Onciul Mon Sep 3 21:27:11 2001 +0000 Initial revision
    888ca09 Andrei Pelinescu-Onciul Tue Sep 4 01:41:39 2001 +0000 parser seems to work
    e60a972 Andrei Pelinescu-Onciul Tue Sep 4 20:55:41 2001 +0000 First working releaseThe project was initially named SIP Express Router (aka SER), years later – after a fork, a rename and a merge – it converged into into what is now the Kamailio project. It has been a fabulous journey so far, in a more than ever challenging market of real time communications.Well known for its performances, flexibility and stability, Kamailio has set a relevant footprint in open source and open communications, enabling entities world wide to prototype, launch new services and build scalable businesses, research and innovate in real time communications. More over, the project has succeeded to create an amazing community of users and contributors, the real engine behind its successful evolution.Its time to celebrate the moment, everyone involved deserving it — thank you all!In a few months the project will deliver v5.0.0, its 16th public major release, with a restructuring of the source tree to match current modern approaches and more flexibility in choosing the language for building the desired SIP routing rules. Stay tuned!Thank you for flying Kamailio!

    VUC – SER-Kamailio At 15 Years

    Mon, 08/29/2016 - 17:16
    This week on Friday, September 2, 2016, we will join the VoIP Users Conference (VUC) moderated by Randy Resnick for an open discussion about the evolution of Kamailio project.On September 3, 2001, the fist commit was pushed for what was then SIP Express Router (SER) project at Fraunhofer FOKUS Research Institute in Berlin, Germany, project that evolved over the time in what is now Kamailio.A lot of great things happened along the way, there were also some not-very-pleasant moments, but hey, that’s life! Join us to listen or share such moments — if Kamailio made your live easy or bad, if you have a funny story to tell or a photo/video to share, you are welcome on board!We started the celebration at Kamailio World Conference 2016, now we gather online of a non-technical debate of whether the project succeeded to deliver on its promises.Several people already confirmed the participation, like Alex Balashov, Daniel-Constantin Mierla and Fred Posner. We expect VUC regulars such as James Body to be around.Anyone can connect to VUC and listen audio or watch the video session via SIP or YouTube live streaming. For more details see:Should you want to actively participate in the discussion, contact us via email at registration [at] kamailio.org in order to plan a bit the structure. Last minute joining is also possible, but a matter of capacity for the video conferencing system.Thank you for flying Kamailio!

    SIPit 32

    Fri, 08/26/2016 - 15:32
    The next SIPit – the SIP Tnteroperability Test Event – will be held at the University of New Hampshire Interoperability Laboratory, in Durham, New Hampshire, USA, during September 12-16, 2016.SIPit facilitates testing your SIP implementations, gathering of SIP professionals that develop phones, PBXes, servers or other SIP application to enable peer-to-peer an multiparty tests.There is a great testbed of various NAT networks for those of you working with NAT traversal issues, including IPv6 in the network as well as an extensive set of tests for TLS. This year, there will also be a focus on STIR – the new secure identity handling in SIP.Olle E. Johansson explains why you should participate in the next slides:Participate in SIPit from Olle E JohanssonTo register and learn more details, go to the main SIPit web site:Along the past 15 years, Kamailio-SER participated at many of the SIPit events, which is reflected in the robustness of the application. This edition, at least Olle will be again there to ensure the latest version stays rock solid.Many of the automatic tests on site are built using Kamailio, go there and hammer it!Thank you for flying Kamailio!

    ClueCon 2016

    Tue, 08/02/2016 - 15:30
    The ClueCon 2016 is preparing to start next week in Chicago, IL, USA. Organized mainly by the FreeSwitch developers, the event brings together VoIP enthusiasts from around the world.Many Kamailio friends and community members will be at the event, be sure it worth attending it.Our Fred Posner, from Palner Group/LOD Communications, will present about pairing Kamailio and FreeSwitch to build scalable and secure VoIP systems.The friends at Asterisk PBX project are represented by Matthew Fredrickson of Digium, touching in his presentation the use of Asterisk and Kamailio to enhance SIP presence services.Karl Anderson of 2600hz, which were contributing lately a lot of code to Kamailio’s presence and database extensions, will talk about their open source Kazoo Cloud PBX platform.We spotted some of the big supporters of Kamailio World Conference, respectively Simon Woodhead from Simwood eSMS, Matthew Hodgson from Matrix.org, Mira Georgieva from Zoiper, as well as long time Kamailio friends or developers such as Alexandr Dubovikov from Homer Sipcapture, Emil Ivov from Jitsi/Atlassian, Cezary Siwek, Giovanni Maruzelli, Michael Ricordeau and Tristian Foureur from Plivo.Wishing everyone great season holidays!Thank you for flying Kamailio!

    IETF96 in Berlin

    Thu, 07/14/2016 - 09:54
    The 96th meeting of IETF (the Internet Engineering Task Force) takes place in Berlin, Germany, during July 17-22, 2016. Ahackaton tied to the IETF meeting is organized during the weekend, July 16-17 .Among the major standardization topics to be discussed, from Kamailio point of view, are: SIP, WebRTC, TURN, IPv6, TLS and DNS (DNSEC/DANE).Daniel-Constantin Mierla and Olle E. Johansson from the Kamailio community will be present at the event.Together with Lorenzo Miniero from Janus WebRTC Gateway project, they plan to organize a meetup (for drinks/dinner) on Monday evening, July 18 — likely to happen at a restaurant nearby IETF meeting, starting around 20:00. If you are in Berlin and want to join, contact us (email to sr-users mailing list or contact directly one of these three persons). Each participant will take care of own expenses, we aim to have an open discussion about what’s new lately and where we head on in real time communications space.Looking forward to meeting some of you next week in Berlin!Thanks for flying Kamailio!

    Kamailio v4.2.8 Released

    Tue, 07/05/2016 - 18:00
    Kamailio SIP Server v4.2.8 stable is out! This is a minor release including fixes in code and documentation since v4.2.7.Kamailio v4.2.8 is based on the latest version of GIT branch 4.2.  If you are running previous 4.2.x versions are advised to upgrade to 4.2.8 (or to 4.3.x/4.4.x series). If you upgrade from older 4.2.x to 4.2.8, there is no change that has to be done to configuration file or database structure comparing with older v4.2.x.Resources for Kamailio version 4.2.8Source tarballs are available at:Detailed changelog:Download via GIT: # git clone git://git.kamailio.org/kamailio kamailio
    # cd kamailio
    # git checkout -b 4.2 origin/4.2Binaries and packages will be uploaded at:Modules’ documentation:What is new in 4.2.x release series is summarized in the announcement of v4.2.0:Note: the branch 4.2 is an old stable branch. The latest stable branch is 4.4, at this time with v4.4.2 being released out of it. The project is officially maintaining the last two stable branches, these are 4.4 and 4.3. Therefore an alternative is to upgrade to latest 4.4.x – be aware that you may need to change the configuration files and database structures from 4.2.x to 4.3.x/4.4.x. See more details about them at:Important: this version marks the end of planned releases from branch 4.2. From now on the focus is on maintaining the branches 4.4 and 4.3 for stable releases.Thank you for flying Kamailio! Enjoy the summer holidays!

    Kamailio v4.3.6 Released

    Thu, 06/30/2016 - 20:30
    Kamailio SIP Server v4.3.6 stable is out – a minor release including fixes in code and documentation since v4.3.5. The configuration file and database schema compatibility is preserved.Kamailio (former OpenSER) v4.3.6 is based on the latest version of GIT branch 4.3, therefore those running previous 4.3.x versions are advised to upgrade. There is no change that has to be done to configuration file or database structure comparing with older v4.3.x.Resources for Kamailio version 4.3.6Source tarballs are available at:Detailed changelog:Download via GIT: # git clone git://git.kamailio.org/kamailio kamailio
    # cd kamailio
    # git checkout -b 4.3 origin/4.3Binaries and packages will be uploaded at:Modules’ documentation:What is new in 4.3.x release series is summarized in the announcement of v4.3.0:Note: the branch 4.3 is the previous stable branch. The latest stable branch is 4.4, at this time with v4.4.2 being released out of it. The project is officially maintaining the last two stable branches, these are 4.4 and 4.3. Therefore an alternative is to upgrade to latest 4.4.x – be aware that you may need to change the configuration files and database structures from 4.3.x to 4.4.x. See more details about it at:Thanks for flying Kamailio and enjoy the summer holidays!

    Kamailio v4.4.2 Released

    Tue, 06/28/2016 - 22:36
    Kamailio SIP Server v4.4.2 stable is out – a minor release including fixes in code and documentation since v4.4.1. The configuration file and database schema compatibility is preserved.Kamailio v4.4.2 is based on the latest version of GIT branch 4.4, therefore those running previous 4.4.x versions are advised to upgrade. There is no change that has to be done to configuration file or database structure comparing with older v4.4.x.Resources for Kamailio version 4.4.2Source tarballs are available at:Detailed changelog:Download via GIT: # git clone git://git.kamailio.org/kamailio kamailio
    # cd kamailio
    # git checkout -b 4.4 origin/4.4Binaries and packages will be uploaded at:Modules’ documentation:What is new in 4.4.x release series is summarized in the announcement of v4.4.0:Thanks for flying Kamailio!

    Kamailio.org Server Maintenance

    Fri, 06/03/2016 - 11:49
    Update 1: some of the maintenance work will be performed in the afternoon of Monday, June 6, starting with 14:00 Berlin, Germany.In the near future, likely next week, kamailio.org server will receive a maintenance upgrade. The exact date will be decided soon and announced on Kamailio mailing lists and other online channels.Main affected services: website (including the wiki portal) and mailing lists.Hopefully there will only be short downtime intervals. Anyhow, if it happens that you are trying to access kamailio.org and it is not responding, retry a bit later.The #kamailio IRC channel on freenode.net server can be used for discussions during the upgrade interval.

    Kamailio World 2016: Ready For The Show

    Wed, 05/11/2016 - 17:31
    Time is passing fast, no doubt, feels like yesterday when we were toying with the idea of organizing a Kamailio related conference and now we are one week before its 4th edition.Every year there was an increase in the number of the attendees and we are going to run full house this edition. Of course, we take this chance to celebrate 15 years of development for Kamailio, a long journey, not always smooth, but everything ended up strengthening the project. Being the oldest very active developer, I (Daniel-Constantin Mierla) can say that Kamailio has one of the most active, challenging and pleasant to work with community, including here all the developers and users, this being the main reason of getting to where we are now with the project. Many thanks to all of you for that!Back to the next week, some last minutes updates.
    The trip to Fraunhofer Fokus Institute is confirmed and if nothing unexpected happens, those that registered for workshops can choose to visit the NGNI laboratories. It will worth it, few very interesting demos will be shown on site and you can interact with some of the bleeding technologies that may shape the future of how we communicate and interact in real time with all things around us. A shuttle bus will be available to transport between Kamailio World location and Fokus institute. More details are available at:If you haven’t participated at the past editions, take a bit of time to get familiar with the address of the event:Like in the past, it is a single track conference, the schedule is available at:The exhibitors are preparing again very interesting product or services show cases and demos for the entire duration of the conference days. Expect some local 4G/VoLTEinfrastructure from NG Voice and Core Network Dynamics. Matrix.org returns this year with an integration between SIP and the matrix federating protocol and platform.Digium will give you the chance to play with their latest SIP phones as well as see demos about the new cool Asterisk features. A consistent team from Sipwise will be around to reveal all the bits of SIP:Provider platform.Special thanks to all sponsors that allowed us to bring again an amazing group of speakers: FhG Fokus, Asipto, Sipwise, Sipgate, Simwood, Evariste Systems, Matrix.org, Digium, Core Network Dynamics, Voicetel, DIDx and Pascom.See you next with in Berlin!

    Kamailio v4.4.1 Released

    Tue, 05/10/2016 - 21:00
    Kamailio SIP Server v4.4.1 stable is out – a minor release including fixes in code and documentation since v4.4.0. The configuration file and database schema compatibility is preserved.Kamailio v4.4.1 is based on the latest version of GIT branch 4.4, therefore those running previous 4.4.x versions are advised to upgrade. There is no change that has to be done to configuration file or database structure comparing with older v4.4.x.Resources for Kamailio version 4.4.1Source tarballs are available at:Detailed changelog:Download via GIT: # git clone git://git.kamailio.org/kamailio kamailio
    # cd kamailio
    # git checkout -b 4.4 origin/4.4Binaries and packages will be uploaded at:Modules’ documentation:What is new in 4.4.x release series is summarized in the announcement of v4.4.0:Thanks for flying Kamailio and looking forward to meeting many of you at Kamailio World Conference 2016 next week in Berlin!

    Kamailio - SIP Routing in Lua or Python

    Fri, 05/06/2016 - 17:25
    Part of development for next major release Kamailio 5.0, we would like to announce that the framework (code-named kemi) which allows writing the routing blocks in embedded languages is already in place. At this moment, Lua or Python can be use as alternative to the native scripting language to write the routing blocks. More details can be found at:Examples of SIP routing scripts that offer more or less same features as etc/kamailio-basic.cfg are available in source tree at examples/kemi. For convenience of reading, here are the links to git repository:You can compare the last three above and see how different or similar they look for providing same SIP routing features using different languages.The work is not finished, lot of modules need to export now functions to embedded config interface, which is quite straightforward:Also, a missing part is handling the equivalents of event_route blocks in embedded languages, an ongoing discussion being open on mailing lists..Interesting that some incipient performance tests to compare the interpreters show good results for using especially Lua but also Python:Anyone willing to help can start exporting functions from modules to embedded interface or test some more complex configs in Lua or Python.Thank you for flying Kamailio and looking forward to meeting many of you at Kamailio World Conference in less than two weeks!

    New Kamailio Module: NSQ

    Thu, 04/28/2016 - 13:32
    A new module named NSQ has been imported in Kamailio’s GIT repository, authored by Emmanuel Schmidbauer from Weave Communications. Emmanuel has become also a registered developed in order to maintain the module.In short, the module provides a NSQ connector for Kamailio configuration file, allowing to interact with NSQ servers from kamailio.cfg. NSQ is a real time distributed messaging platform, you can read about NSQ at nsq.io.More about the NSQ module is available at:The module will be part of the future major release Kamailio v5.0.0! While waiting for that release you can play with NSQ using the git master branch.Thank you for flying Kamailio!

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