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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 6 min ago

Blog Tutorial: Kamailio And Siremis Installation

Fri, 05/12/2017 - 21:05
Recently I discovered a tutorial written on Medium blogging platform by Igor Olemskoi, published about two months ago, covering Kamailio and Siremis installation, named “Kamailio SIP proxy — installation and minimal configuration example“.It is a good reading for anyone fresh to Kamailio, providing guidelines to get started with a SIP proxy installation, along with Siremis web management interface.Click here for the link to the blog article.Should you write any tutorial involving Kamailio, we are more than happy to share it with the community via the website. Just contact us via mailing lists! Ping us also if you are aware of any other resource that worth sharing.Thank you for flying Kamailio!

Kamailio World 2017 – Ready For The Show

Wed, 05/03/2017 - 22:01
Just few days and the 5th edition of Kamailio World Conference & Exhibition starts. Two days and a half full with technical tutorials, presentations, open discussions and demos. With more participants than the previous edition, the event consolidates the ecosystem around Kamailio and other VoIP related projects and products such as Asterisk, FreeSwitch, Janus, Jitsi, OpenBaton, CGRateS, Homer Sipcapture, SIPVicious, RTPEngine, Zoiper or SEMS.Along the event, Obihai, Telnyx, Digium, NG Voice, Core Network Dynamics and FhG Fokus will be present in the exhibition area showing demos of their services and products.The topics span from VoIP/SIP-based platform scalability and security, to next generation emergency services, usage in broadcasting industry, 5G and IMS/VoLTE, IoT and WebRTC:With the great help of our sponsors, FhG Fokus, FhG Forum, Flowroute, Telnyx, Sipwise, Asipto, Sipgate, Simwood, Obihai, Digium, NG Voice, Core Network Dynamics, VoiceTel, Evariste Systems, Pascom and VUC, we are ready for another amazing edition of Kamailio World!See you in Berlin next week!

Kamailio World 2017 – Student Grants

Fri, 04/21/2017 - 18:51
With a bit of delay, given that had to accommodate and accept some requests from the last year queue, I am glad to announces that we can offer two more seats at Kamailio World Conference, May 8-10, 2017, in Berlin.Therefore we are continuing the program from last years, based on the roots and the tight relation of Kamailio project with the academic environment, the eligible people being students enrolled in universities or research institutes (both bachelor and PhD programs qualify) as well as people from underrepresented groups.If you think you are eligible and want to participate, email to <registration [at] kamailio.org> . Participation to all the content of the event (workshops, conference and social event) is free, but you will have to take care of expenses for traveling and accommodation. Write a short description about your interest in real time communications and, when it is the case what is the university or the research institute you are affiliate to.Also, if you are not a student, but you are in touch with some or have access to students forums/mailing lists, it will be very appreciated if you forward these details.Time is short, we already received few requests based on my remark in a message sent out few weeks ago, therefore in a matter of days we will do the selection, so you have to hurry up a bit.More information about Kamailio World is available on the web site:Many thanks to the event sponsors that allowed to continue this program, respectively: FhG Fokus, Asipto, Flowroute, Telnyx, Sipwise, Sipgate, Simwood, Obihai, NG-Voice, Evariste Systems, Digium, VoiceTel, Pascom and Core Network Dynamics.Expect a full house event! Looking forward to meeting many of you in Berlin!

New Kamailio Developer: Guillaume Bour

Thu, 04/20/2017 - 18:49
We would like to announce that Guillaume Bour (https://github.com/gbour) has now developer privileges on Kamailio’s gihub project. He has contributed recently a new module named keepalive – more about it at:There is also a pull request from him waiting to be merge to drouting module, adding capability of detecting active/inactive gateways used by the module.Thanks for the contributions so far and looking forward to collaborate in the future!

Kamailio Development IRC Meeting On April 20, 2017

Tue, 04/18/2017 - 22:50
A new IRC devel meeting to is planned in order to discuss the current major issues and the logistics around the project as well as the plans for next Kamailio releases.The date is Thursday, April 20, 2017, at 14:00UTC (16:00 in Berlin, Madrid, Paris; 15:00 in London; 10:00 in New York, …).A wiki page has been created for it, with more details about how to join the discussions and a draft agenda:Everyone is welcome to participate, you just need an IRC client or a modern web browser.You are encouraged to add there the topics that you want to be discussed and your intention to join the session in order to plan the schedule properly and estimate more accurately the duration.Thanks for flying Kamailio!

Kamailio - New Developer: Mikko Lehto

Wed, 04/12/2017 - 22:48
Mikko Lehto has joined the developers group on Kamailio gihub project. He has made a lot of good pull requests over the time, specially to documentation and unit tests that could have been just committed directly without delay on waiting for a review, saving also time from the other developers.Taking time to express my thanks for all his contributions so far and reviving those unit tests, and I am looking forward to future collaboration!Thank you for flying Kamailio!

Kamailio Lists sr-users And sr-dev Migrated To lists.kamailio.org

Tue, 04/11/2017 - 15:54
All the mailing lists related to the Kamailio project are using now lists.kamailio.org as primary domain, including sr-dev and sr-users.From now on, the emails to these mailing lists should be addressed to:The previously used domain (lists.sip-router.org) should still work, being redirected to lists.kamailio.org, so existing mailing list discussions can go on as usual.If anyone is encountering any problems or notices some information on kamailio.org that needs to be updated, do not hesitate to contact us.In addition, the mailing lists URLs should use now HTTPS, browsing the archive with plain HTTP being redirected to HTTPS URLs.

Maintenance Work On Kamailio Mailing Lists Server

Tue, 04/11/2017 - 11:41
Today, Apr 11, 2017,  maintenance work is scheduled to be done on the mailing lists server, including the shifting from lists.sip-router.org to lists.kamailio.org as primary domain.It is expected to not have any relevant downtime, but one never knows. Maybe the archive won’t be available for short time due to changes needs to be done to the web server after mailing lists server is upgraded.

Kamailio World 2017 – Four Weeks Before

Mon, 04/10/2017 - 19:00
Getting closer and closer to the Kamailio World Conference 2017 – the 5th edition is just four weeks away!The schedule has been published, with some adjustments still expected to happen. The event starts like the past edition with a half a day of technical workshops, followed by two full conference days.Thanks a consistent group of speakers the agenda is filled with topics that cover many of the interesting aspects of real time communications, from security and scalability to WebRTC and VoLTE, touching Kamailio and other open source projects like Asterisk or FreeSwitch. We will enjoy again the two sessions that never missed a Kamailio World edition: VUC Visions (open discussions panel) and Dangerous Demos (demo your crazy RTC idea in less than 5 minute and win one of the prizes in the game).More details can be found on the website of the event:We expect to fill again the capacity of the conference room, if you haven’t registered yet and plan to attend, do it as soon as possible to secure your seat!Many thanks to our sponsors that made possible this event: FhG Fokus, Asipto, Flowroute, Telnyx, Sipwise, Sipgate, Obihai, Simwood, Evariste Systems, NG Voice, Digium, VoiceTel, Core Network Dynamics, Pascom.Thank you for flying Kamailio and looking forward to meeting many of you at Kamailio World 2017!

Kamailio v5.0.1 Released

Wed, 04/05/2017 - 22:46
Kamailio SIP Server v5.0.1 stable is out – a minor release including fixes in code and documentation since v5.0.0. The configuration file and database schema compatibility is preserved, which means you don’t have to change anything to update.Kamailio v5.0.1 is based on the latest version of GIT branch 5.0. We recommend those running previous 5.0.x or older versions to upgrade. There is no change that has to be done to configuration file or database structure comparing with the previous release of the v5.0 branch.Resources for Kamailio version 5.0.1Source tarballs are available at:Detailed changelog:Download via GIT: # git clone https://github.com/kamailio/kamailio kamailio
# cd kamailio
# git checkout -b 5.0 origin/5.0Relevant notes, binaries and packages will be uploaded at:Modules’ documentation:What is new in 5.0.x release series is summarized in the announcement of v5.0.0:We hope to meet many of you at the 5th edition of Kamailio World Conference, the project’s annual event, scheduled for May 8-10, 2017, in Berlin, Germany!Thanks for flying Kamailio!

Kamailio World 2017 – The Schedule

Tue, 04/04/2017 - 20:32
The first version of Kamailio World 2017 Schedule has been published:Two days and a half of sessions related to real time communications, covering Kamailio and other open source projects such as Asterisk or FreeSwitch and common use cases such as telephony services, WebRTC, IMS/VoLTE, next generation emergency services or OTT platforms. The first day afternoon is hosting the workshops, the sessions where to expect more hands on examples. The second and the third days continue with conference presentations and interactive panels. Like in the past edition, several companies will exhibit and show demos during the conference days,Many renowned people of the industry as well as community members are confirmed to participate, definitely an edition one must not miss! Don’t delay your registration, the capacity of the room is limited and we expect to be fully booked again! Register now!Looking forward to meeting many of you in Berlin!And thank you for flying Kamailio!

Kamailio 2016 Awards

Thu, 03/30/2017 - 22:38
Here we are, the 10th edition of Kamailio Awards granted for the activity related to Kamailio and Real Time Communications during the previous year, respectively 2016. Continuing the tradition, there are two winners for each category, also past winners were skipped from initial selection.



As a side remark, this edition was a bit postponed as I was considering to do a different kind of awards as last year Kamailio project celebrated 15 years of development and this is the 10th edition of the awards, but finally went for the classic module, leaving the special edition for another occasion in the near future.

The 2016 was filled with plenty of important events, from the release of Kamailio v4.4.x series in March 2016, to Kamailio World 2016 in May and the celebration of 15 years of Kamailio development in September, along with the participation to other world wide events such as Mobile World Congress, Fosdem, Astricon or Cluecon.

The 2017 is keeping up very well so far, the major release series for Kamailio 5.0.x is out, Kamailio World Conference 2017 is like a month and a bit away. The next major release series, respectively v5.1.x, looks very good so far, after one month of development there are three new modules, and another one waiting for merge in the review process of a pull request. Definitely keep an eye on Kamailio project during this year, a lot of new stuff is cooking right now!

Back to the awards, here are the categories and the winners!

New Contributions

  • ims_ocs - provides an implementation for Online Charging Server, which communicates via Diameter-Ro interface with ims_charging module, being developed by Carsten Bock. The IMS/VoLTE set of extensions in Kamailio keep growing.
  • rabbitmq - an AMQP connector for kamailio.cfg using RabbitMQ, developed by NG-Voice and  Stefan Mitittelu. The module allows to exchange messages with other RabbitMQ peers directly from kamailio.cfg.
Developer Remarks

  • Holger Freyther - he contributed the ss7ops module along with improvements to sipcapture and mysql modules. The ss7ops module can convert ss7 to json format, which can be then inspected inside kamailio.org via json or jansson modules
  • Spencer Thomason - he contributed a consistent set of patches for Solaris/Sparc architecture and portable endianness macros
Advocating

  • Sebastian Schumann - an early adopter of the project since more or less the SER times, Sebastian has been a promoter of open source technologies for RTC inside telecoms, highlighting the benefits at many events world wide, including Kamailio World 2016.
  • Werner Erkisen - trying to disrupt big telecoms from inside with Telenor Digital, Werner has been highlighting how open source projects, including Kamailio, can speed up the time to prototype and roll out new services in telecom market
Technical Support

Blogging

  • VoIP-News.gr - a news aggregator site, promoting most of Kamailio announcements and related blog posts. For someone with a busy agenda, the site is a good source for learning what's new in the VoIP space.
  • VoIPNow (4PSA) - an extensive number of articles about adding various features to kamailio.cfg or managing kamailio, mainly targeting the VoIPNow platform, but easily reusable for any other Kamailio deployment, among them: Fail2ban integration, TLS options, Sipcapture Integration, DoS detection, options to troubleshoot kamailio.cfg, etc.
Related Projects

  • CDR-Stats -  an open source CDR (Call Detail Record) mediation rating, analysis and reporting application for Kamailio as well as Asterisk or Freeswitch, working also for Sipwise SIP:Provider. The project is managed by one of Kamailio's old friends: Areski Belaid. 
  • ivozprovider - a multitenant solution for VoIP telephony providers designed for horizontal scaling and load balancing. It relies on Kamailio as a SIP routing server for security and scalability, and on Asterisk 13 with pjsip channel for media services.
Business Initiatives

  • Nimvelo - a UK-based internet phone service provider, the company is managed by Charles Chances, one of the very active Kamailio developers, with many contributions to distributed message queue, replication to hash tables and presence
  • VoIP Lab - a Berlin-based co-working space initiative managed by Dennis Kersten, targeting VoIP professionals, aiming to offer a place to meet the people with similar interest, create the premises for joining the efforts and collaborate on large RTC projects
Events

  • FUSECO Forum - an yearly event organized by Fraunhofer Fokus Research Institute about the new trends, developments and impacts of 5G/IIoT and related technologies, with the 7th edition in autumn of 2016.
  • TAD Summit - the Telecom Application Developer Summit (TADS) took place in Lisbon, by mid of November 2016, event coordinated by Alan Quayle. If working in telecom and not familiar yet with TAD events, you should just do it, the series of events where a lot of innovation in Telecoms is done.
Friends Of Kamailio

  • Allison Smith - known as the voice of Asterisk, being around the project from its first versions, a constant presence at various events around the world, more or less at each Astricon. Her collaboration from the early phase of VoIP with PBX integrators to provide the high quality voice prompts allowed them to expose a professional feel of the open source PBX solutions, especially at the times when open source in telecom was pretty much disregarded, which definitely helped to go into and disrupt this market. More over, although Kamailio doesn't handle media streams, Allison recorded a jingle for Kamailio back in 2008 when the project got the name.
  • Tim Panton - he has probably touched most of what can be done in real time communications, from serious use cases such as building scalable telecom API platforms to the funny side of interacting with toothbrushes (and other toys) via WebRTC. Seen very often at events such as Kamailio World, Astricon or Cluecon, Tim typically likes to expose how RTC concepts can help to innovate in unexplored/new fields such IoT/IoE.

This is it for 2016. If you want to check the previous turn of awards, visit:
    Looking forward to meeting many of you soon in Berlin, during May 8-10, 2017, at the 5th edition of Kamailio World Conference & Exhibition, an opportunity to discuss face to face with Kamailio Project developers.
    Note: I am solely selecting the winners, with no involvement of Kamailio project members, based on what I observed and has risen my interest during 2016.  Also, a rule that I try to enforce is that a winner of a category in the past will not be awarded again same category (a winner one time is a winner for ever).

    Kamailio - Over 25 000 Commits In Master Branch

    Wed, 03/29/2017 - 22:38
    While checking the last pull requests on Kamailio’s Github repository, I noticed that the number of commits to master branch has just surpassed 25 000 (not counting at all commits to stable releases or personal branches). They are counted from the very first day back in September 2001, the migration to Git few years ago converted the commits from old CVS and SVN times.While number of commits is not necessarily a metric of the quality of code, it does reveal a constant and consistent development effort performed during the past 15 years and a half, averaging over 1500 commits per year (n.r., last years with way more commits than the early one due to increase of the number of contributors).The growth of Kamailio development isn’t slowing down at all. The last major release, Kamailio v5.0.0, was out about one month ago and since then we have 3 new modules already part of the master (topos_redis, ims_diameter_server and call_obj modules) and one is pending to be merged being now a pull request (keepalive module).Many thanks to all developers and users that contributed to enhance the set of features, quality and stability of Kamailio over all these years!Should you want to meet face to face with many Kamailio developers, be sure you reserve in time a seat at Kamailio World Conference, Berlin, May 8-10, 2017!

    Kamailio 5.0 – Embedded JavaScript Execution

    Mon, 03/27/2017 - 15:48
    It is today one month since the release of a new major version for Kamailio SIP server, respectively v5.0.0, one with a consistent set of new features and enhancements:Among its brand new features is the ability to execute JavaScript (ECMAScript) code embedded inside kamailio.cfg script — this is possible via app_jsdt module. The module relies on DukTape JavaScript engine, which is imported in the Kamailio source code, therefore it has no external library dependency.It is also possible to use JavaScript to write entirely the SIP routing blocks for kamailio.cfg via KEMI framework, offering a more extensive language to control how next hop is selected. Next are the links showing such example:Among app_jsdt module features:
    • can reload the routing functions without kamailio restart via an RPC command
    • execute inline JavaScript within a native kamailio.cfg or write entire SIP routing blocks in JavaScript
    • no external dependencies, it compiles with same tools and libraries as Kamailio core
    • access to full scripting language constructs, expressions and statements, with extensive documentation, for building SIP routing language
    More about configuration file engines for Kamailio 5.0 will be presented at the next Kamailio World Conference, May 8-10, 2017, in Berlin, Germany. See you there!

    Kamailio World 2017 – Selection Of Presentations

    Fri, 03/03/2017 - 11:18
    The event structure of the Kamailio World 2017 (May 8-10, in Berlin) has been published along with a selection of the conference workshops and presentations. It is going to be agin a balanced content, combining sessions on how to use Kamailio, sharing knowledge on security and scalability as well as presentations about related tools and applications from the Real Time Communications area.You can see more details at:Soon the first version of the schedule should become available, keep an eye on the event website!Thanks for flying Kamailio!

    Kamailio v5.0.0 Released

    Mon, 02/27/2017 - 21:49
    February 27, 2017Kamailio v5.0.0 is out –  a new major release, bringing new features and improvements added during about seven months of development and one and a half month of testing.In short, this major release brings 6 new modules and enhancements to more than 50 existing modules, plus components of the core and internal libraries. Detailed release notes are available at:This release brings an increase to major number, 5.0.0 to be the first in a series of 5.x.y versions. Among the relevant updates being the source code tree restructuring, the KEMI framework which allows writing the routing blocks in other embedded languages such as Lua, JavaScript or Python, and the removal of MI control framework (replaced by RPC).Enjoy SIP routing in a secure, flexible and easier way with Kamailio v5.0.0!Thank you for flying Kamailio and looking forward to meeting you at Kamailio World Conference 2017!

    Kamailio World 2017 – First Group Of Speakers Announced

    Tue, 02/14/2017 - 15:32
    The first group of speakers at Kamailio World 2017 has been announced, you can see their details at:The event takes place in Berlin, Germany, during May 8-10, 2017. There is still a large set of proposal under revision, more details about accepted one being scheduled to be published in the near future.This is the 5th edition of an event focused on realtime communications, besides the Kamailio project, you can meet there the people behind other popular open source projects such as Asterisk, FreeSwitch, Jitsi or SEMS, as well as other well known players from the industry.The event starts on Monday, May 8, around noon with technical tutorials, and continues for the next two days with conference sessions. The topics span from experiences on building and deploying typical VoIP services, to WebRTC, IoT and 4/5G technologies.Registration is open, don’t delay too long if you want to participate, the number of seats is limited:Looking forward to meeting many of you in Berlin!

    Kamailio Branch 5.0 Created

    Thu, 02/09/2017 - 18:35
    The GIT branch 5.0 has just been created for Kamailio source tree, it will host the release series 5.0.x. To get this branch from GIT, you can use: git clone https://github.com/kamailio/kamailio.git kamailio
    cd kamailio
    git checkout -b 5.0 origin/5.0Hopefully before the end of the month the full release of 5.0.0 will be out.From now on, any corresponding fix has to be pushed first to master branch and then cherry-picked to branch 5.0. No new features can get in branch 5.0. Enhancements to documentation or helping tools are still allowed.Thanks for flying Kamailio!

    LCR System With Kamailio On CentOS 7

    Wed, 02/08/2017 - 18:34
    A very descriptive article has been published by voztovoice.org showing how to build a Least Cost Routing (LCR) system for IP telephony using Kamailio on CentOS 7. The article is in Spanish, Google translate being quite helpful, but the snippets of config and screens shots make it easier to understand over all.The article is available at:Whenever you write an article about using Kamailio or you become aware of a similar article, do not hesitate to notify us, we gladly publish a news about it.Looking forward to meeting many of you at Kamailio World Conference, May 8-10, 2017, in Berlin, Germany!Thanks for flying Kamailio!

    Fosdem 2017 – Kamailio - VoIP Social Event

    Fri, 02/03/2017 - 18:33
    The Kamailio & VoIP friends dinner at Fosdem 2017 is planned to start at 20:00, on Saturday, Feb 4, 2017. The address is:Le Pickwick
    Avenue Adolphe Buyl 79
    1050 Ixelles, BelgiumIf you announced the intention to participate at the dinner before Feb 1, 2017, your seat is reserved. If you did it afterwards, please contact Daniel-Constantin Mierla during RTC Devroom to confirm the availability of the seats.

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