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Kamailio SIP Server v5.2.1 stable is out – a minor release including fixes in code and documentation since v5.2.0. The configuration file and database schema compatibility is preserved, which means you don’t have to change anything to update.
Kamailio® v5.2.1 is based on the latest source code of GIT branch 5.2 and it represents the latest stable version. We recommend those running previous 5.2.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 releases of the v5.2 branch.
Resources for Kamailio version 5.2.1
Source tarballs are available at:
Download via GIT:
# git clone https://github.com/kamailio/kamailio kamailio # cd kamailio # git checkout -b 5.2 origin/5.2
Relevant notes, binaries and packages will be uploaded at:
What is new in 5.2.x release series is summarized in the announcement of v5.2.0:
Do not forget about the next Kamailio World Conference, taking place in Berlin, Germany, during May 6-8, 2019. The registration is open!
Thanks for flying Kamailio!
Like at the previous editions, the event spans over three days, May 6-8, 2019, taking place at our usual venue, in the hearth of Berlin city, Germany. The first day contains the technical tutorials, the following two days are for conference presentations and exhibition.
With this edition, we are introducing a new social networking event during the evening of the first day, the 6th of May. The goal is to allow more time for interaction and networking between participants, as well as get a taste of Berlin. Therefore, this event is organized outside of the conference venue, couple of options being considered at this time, like city tour by boat or double deck bus, pub or pizza party. The cocktail party will take place as usual, during the evening of the 2nd day, the 7th of May. More updates about this new social networking event in the near future!
Note also that the Call For Speakers is still in progress and we already have a consistent group of submissions, if you plan to present at Kamailio World 2019, hurry up with the proposal! Scalability and security, WebRTC, IMS and VoLTE or IoT with Kamailio as well as related projects such as Asterisk or FreeSwitch are among the topics to be covered this year.
Keep an eye on the website of the event, soon we will publish more details about accepted speakers and the first draft of the agenda.
Looking forward to meeting many of you in Berlin at Kamailio World 2019!
It’s not just that Fort Lauderdale, FL, is a rather nice place to go at this time of year… No, we have some amazing sessions for you at Asterisk World
The post Asterisk World is 2 Weeks Away! [New Workshop Added] appeared first on Inside the Asterisk.
Communication technologies develop constantly and change the way we are doing business. One of the face-changing for the call centre industry innovation is WebRTC. Letâ€™s see some reasons, why this technology is becoming more popular. 1. Cost efficiency Nowadays almost all call centres work omnichannel. Thus, customers can choose whether to interact with agents through […]
The post 5 reasons why you need WebRTC for your call centre appeared first on ng-voice GmbH.
TADHack-mini Orlando 2019 runs on the 16-17 March, at Collaborative Design Center (Building 10, 3rd floor) at Valencia College, West Campus.
A TADHack is an event in which people (e.g. students, graphic designers, project managers, product managers, IT Managers, Enterprise Connect attendees, computer programmers, interested individuals, and subject-matter-experts) collaborate on a software project focused on programmable telecoms. You do not need to be a coder to take part.
TADHack is the weekend before Enterprise Connect 2019, so while everyone travels into The Enterprise Telecoms (sorry, Communications) event of the year; they get to see the sponsors of TADHack-mini Orlando showing how easy their technology can be used to solve a variety of problems people face in their everyday lives. Its not just APIs, through management consoles you can integrate applications, set up workflows all with no programming expertise. That’s why we emphasize TADHack is for Everyone!
You can see all weâ€™ve achieved over the past 5 years with TADHack in this weblog.
Here are the excellent results from last yearâ€™s TADHack-mini Orlando 2018, well done to everyone who took part. The winners had great fun attending Enterprise Connect 2018, as you can see in the picture below and in this album.
We encourage people who can not attend TADHack in person in Orlando to take part remotely. We’ve had some really funny remote pitches, check out BURBUDY by Mike Dauphinais.
Winners and runners up from TADHack-mini Orlando 2019 can also give their pitch on Monday 18th March to the entire Enterprise Connect audience, its a great opportunity.
TADHack is all about learning, sharing, coding (you can even avoid this with some of the GUIs / management consoles), creating, and most importantly having fun with a diverse group of people. And if that is not enough to entice you, we have lots of cash prizes, free entrance, and free food.
The post Announcing TADHack-mini Orlando 2019 appeared first on Blog @ TADHack - Telecom Application Developer Hackathon.
Fosdem 2019 is approaching, so we surveying to see who from the community plans to go to the event. We also plan to organize again a dinner on Saturday evening, a tradition for our project at the past 10 editions or even more.
Henning Westerholt will give a presentation about Kamailio in the RTC Devroom.
Several other developers plan to go to the conference as well, among them Daniel-Constantin Mierla, Federico Cabiddu and Alexandr Dubovikov, therefore we open here the invitation to join for everyone in our community. Of course, at Fosdem will be developers from other VoIP projects, like Asterisk, Janus, CGRates, Homer, Jitsi, …
At the past editions we typically had two “kamailio” events:
If you plan to go to Fosdem and want to join the dinner, announce yourself on firstname.lastname@example.org mailing list. Just be aware that you have to pay for your food and drinks at the dinner, unless we are going to be surprised again by a generous sponsor that covers partially or completely to dinner.
If you need more details about Fosdem, the website is:
Thanks for flying Kamailio!
VUC was started in 2007 and remains an open interactive live conference. The topic of VUC734 is federation with emphasis on Diaspora.
Diaspora, founded in 2010, is a nonprofit, user-owned, distributed social network that is based upon the free Diaspora software. Diaspora consists of a group of independently owned nodes (called pods) which interoperate to form the network. The Diaspora social network is constructed of a network of nodes, or pods, hosted by many different individuals and institutions. Each node operates a copy of the Diaspora software acting as a personal web server. Users of the network can host a pod on their own server or create an account on any existing pod of their choice, and from that pod can interact with other users on all other pods.
Participate during the conference:
Over the last few years, cloud computing services have dominated the information technology market. Cloud has become the go-to solution for various products and services, including business communications. Now that
The post Resellers: Add Cloud Services to Grow Your Business appeared first on Inside the Asterisk.
Fast, so fast, the 2018 is gone, one of those years of consolidation in terms of development and community activity for the Kamailio project, with another major release and an amazing edition of Kamailio World Conference! Thank you everyone for contributing to the project!
We are now looking forward to a healthy and fruitful year 2019 to all Kamailio friends and the project itself, once again hoping to meet many of you at the 7th edition of Kamailio World Conference and other events around this magnificent world!
Thanks for flying Kamailio!
Enjoy 2019 and stay safe!
Happy New Year!
We gather to chez the rag about whatever comes up. This ain’t NPR.
Resellers. Value added resellers (VARs). Managed service providers (MSPs). Trusted advisor. These are chief among the terms commonly used to describe a vendor’s channel partner. These partners work with small
Slowly getting to another end of a year, the 18th since the project was started — a fruitful 2018, with a great evolution for project development and plenty of community interactions. We had another major releases, 5.2 in November and, after quite long time, a meeting dedicated for Kamailio developers, done by end of September 2018, in Dusseldorf, Germany. We are grateful to all developers and community members that contributed to moving the project further!
The 6th edition of Kamailio World happened in the spring of 2018, now we prepare for the 7th edition during May 6-8, 2019, in Berlin, Germany. We look forward to meeting many of the community members there!
Merry Christmas and Happy Winter Holidays!
Santa is flying Kamailio!
In the Unified Communications (UC) market, you hear a lot about the future because Voice over IP (VoIP) is the direction communication is headed. It wasnâ€™t too long ago that
The post Session Border Controllers – The Standard for VoIP Security appeared first on Inside the Asterisk.
Depending on your organization’s size and specific calling needs, you can significantly reduce costs on your phone bill by switching to hosted VoIP. Just imagine the VoIP market is growing at least 15% a year! VoIP is going mainstream but what does this term actually mean? A hosted VoIP phone system is just like a […]
Open source technologies are important in both enterprise and service provider communications solutions. In fact, many CTOs have goals in mind for increasing the percent usage of open source software in
The post The Importance of Open Source Technologies in Communications Solutions appeared first on Inside the Asterisk.
Our guest this week combines my two loves, music and technology. We welcome Pauline Eveno, co-founder of Syos, an innovation award-winning Paris company that makes custom mouthpieces by the 3D printing process. Syos mouthpieces were born at Ircam, the worldwide reference in terms of research on music and sound technologies. The meeting between Pauline, specialist of wind instruments, and Maxime, auditory perception expert, inspired the creation and development of a new and original way of crafting instruments.
While the world is busy adapting 5G, China is ahead of the curve announcing the development of the next-generation mobile communication network, 6G. During the First Session of the 13th National People’s Congress in March 2018, the Chinese Minister for Industry and Information Technology Miao Wei declared a start of research on 6G. The next-generation […]
In the November 27th blog on small business phone systems and virtualization, I wrote about economics as the primary driver for why a company might want to use a virtualized phone
The post Hidden Benefits of Small Business Phone System Virtualization appeared first on Inside the Asterisk.
These projects allow children in Spain to have a video chat with Santa Claus or one of The Three Wise Men.
This is a non-profit initiative, part of a larger project, which is funded with the support of different charities and several town councils. It was launched a couple of years ago and it has grown tremendously, with more and more councils getting on board every year.
Below is an example of a 3 Los Reyes Magos (3 Wise Men) call:
Over the past Christmas season, over 10.000 video calls were processed, mostly from Spain but many of them from Argentina and Mexico too. That is impressive, to say the least.
Something we found fascinating is that this year participants will be able to interact via sign language, in addition to audio and video. In order to better present this to users they are using the recently introduced Brady Bunch Layout. We certainly never had this use case in mind when Brady Bunch was built, but you can see how this feature is critical for some use cases!
We’ve known Javi Arranz, CEO of Eternity Online and the mastermind behind this project for a while now. He is deeply involved in several charitable efforts in Spain. Javi wouldn’t stop praising Jitsi, claiming he couldn’t have done it without it.
We are incredibly proud and humbled that Open Source technology produced by the Jitsi community is used in such wonderful and noble projects.
Your Jitsi Team
When preparing the latest major release of Kamailio (the v5.2.0) and the days after, I run some tests to compare the performances of using native scripting versus Lua and Python (v2). The tests were not focused on measuring the capacity of Kamailio, but to see the difference in executing similar SIP routing logic with different scripting languages.
The results and conclusions are collected in a wiki page:
It was pleasant to discover that native scripting, Lua and Python perform more or less the same, the differences are so small that can be just a side effect of what other applications are running at that moment in the system. The tests were related to processing registrations with user authentication, using MySQL as a backend.
A test consisted of 20 000 registrations for 10 users being sent at a rate of 4000 requests/second, with a limit of 10 000 at the same time. Note that each registration was challenged for authentication and resent with credentials, then authenticated (this performs a MySQL query) and replied with 200ok. The average of running the routing script ranged form 60 to 80 microseconds, most of them being around 70 microseconds (for a better understanding, that means more than 10 000 authenticated registrations per second).
The wiki page includes the sipp scenario, used configs and tools to perform the tests, therefore anyone can try to run and check the results.
A bit of a surprise was to see that Python has really good results. I ran couple of basic tests during the development of KEMI framework for Kamailio 5.0 and using Python seemed slower. Not this time, so I will have to re-run the tests just to be sure I haven’t forgotten something.
Anyhow, during the development of Kamailio 5.2, there were couple of additions to KEMI to improve the performances. Among the most relevant were to export several functions that are equivalent to some native scripting language conditions, such as matching From/To URIs against myself keyword or matching the SIP methods.
Should you run the tests from the wiki, let us know the results for your environment via email@example.com mailing list.
Thanks for flying Kamailio!
git clone https://github.com/kamailio/kamailio kamailio-5.2
git checkout -b 5.2 origin/5.2
git push origin 5.2:5.2
We would like to announce that Call for Presentations at Kamailio World 2019 is now open. You can submit your proposal or see more details at:
The 7th edition of the event takes place again in Berlin, Germany, during May 6-8, 2019. Expect over 150 participants, developers and community members as well as representatives from other popular open source VoIP projects such as Asterisk or FreeSwitch.
Looking forward to meeting many of you there!
Thanks for flying Kamailio!
What can we control in life, technology, on and offline?
Covered this week:
Google Cemetery – what its “deprecated” and lost over the years
Phone numbers – Toll frees, 800, 888, 877 and the proposed new 833s
Losing your phone number means losing control
Facebook, Diaspora and Mastodon. Federation FTW
Great tip – use alternative Apps for ALL social media that work through APIs and lose the dross!
We plan to talk about storage options, but anything is possible.
The packages of Kamailio v5.2.0 for Debian/Ubuntu and RPM-based distributions (CentOS, RedHat, OpenSuse, Fedora) are available to use.
For Debian/Ubuntu, you can set the APT repository on your system to the links provided at:
For the RPM-based distributions, their repositories are listed at:
Thanks for flying Kamailio!
In short, this major release brings 6 new modules and enhancements to more than 70 existing modules, plus components of the core and internal libraries as well as optimizations for embedded interpreters (KEMI framework). Detailed release notes are available at:
This is the third major release in the series of 5.x.y versions. Besides adding plenty of new features, a lot of development was directed to unify the exports structure for modules, enhance dispatcher (the load balancer module), tls, RTP processing and to make available more functions to KEMI interface.
Enjoy SIP routing in a secure, flexible and easier way with Kamailio v5.2.0!
Thank you for flying Kamailio and looking forward to meeting you at Kamailio World Conference 2019!
The next edition of Kamailio World Conference is planned to take place at the same location like the past editions, respectively hosted by Fraunhofer Fokus and Forum in the city center of Berlin, Germany, during May 6-8, 2019.
The website of the event and the call for presentations will be launched in the near future, stay tuned!
Meanwhile, you can browse the website of the previous edition in order to get an idea about the type of event and its content:
Enjoy the upcoming winter or summer season!
Thanks for flying Kamailio!
Check out the demo, it looks pretty slick:
— HELLO 2 (@HelloSolaborate) November 19, 2018
On this episode of the Communications Transformed podcast, Randy chats to Emil Ivov, Jitsi’s Founder and Project Lead. Emil talks about how Jitsi got started and how open source has been the cornerstone of our success. Trips down Memory Lane are always cool so tune in now for part one of this two-part episode.
We are considering to release v5.2.0 (the first stable version out of branch 5.2) next week, likely on Wednesday, Nov 28, 2018.
It still allows a bit more than a week of testing as well as well time to prepare the online resources for it (documentation, wiki pages, upgrade guidelines, etc…).
If there is any issue you are of and not yet reported to github.com bug tracker, do it as soon as possible to give it a chance to be fixed in time for the next major release.
Thanks for flying Kamailio!
As soon as Google announced the sunset of their failed social network, Google+ denizens began looking at alternatives. Thereâ€™s plenty of time, the closure is scheduled for August 2019! Still, why invest any further time in a dying network? This week we talk about the many ways to communicate via open source platforms and software, especially the federated ones like Diaspora (and variants). An important step was taken with the creation of Pluspora, a Diaspora pod. This has already attracted thousands of former (and current) Google+ denizens. We’ll talk about how and why this was done with one or more of the creators.
Matrix describes itself: An open network for secure, decentralized communication. Here at VUC we’ve known and admired Matthew Hodges, Amandine and some of the team for a while. We were lucky to run into Ben Parsons at TAD Hack and also online moments before we went live. The original topic of Diaspora will be rescheduled.
Privacy is particularly critical for a decentralized network like Matrix, where user data is replicated over all the servers participating in a room and so must be protected. Matrix provides state of the art end-to-end encryption in beta using the Olm and Megolm cryptographic ratchets, and ensuring that only explicitly authorized devices can participate in a conversation. Read more on their site.