Schedule

In this presentation, we will dive into details how to integrate automated test calls into CI/CD pipelines using Github actions, how to record call contents and calculate their MOS, and how to extract RTCP statistics to check media metrics. It will give you some fresh perspective on how to use existing tools to build scalable and reliable test frameworks.

This talk will describe the current implementation challenges and the way forward.

Therefore, we created a RESTFUL endpoint called /lease and it creates and returns a set of SIP credentials that are only active for a defined timeframe. Once, the timeframe is reached the credentials are automatically removed from Kamailio. Also, we found that using SIP dynamic credentials versus using long-lived credentials is helpful and more secure when deploying new environments and performing automated testing using CI/CD. The credentials are automatically cleaned up (aka. removed) once testing is complete.

VoIP (aka SIP) phone fraud accounted for over 50 billion dollars in losses last year. I believe that using more dynamic SIP credentials will reduce the amount of fraud.

Messaging over SIP is also supported by many ISTP, in this presentation I will share some recipes on how to implement it with store and forward in Kamailio.

Once we have messaging working between Kamailio and a client application we can use that channel to transfer command or reporting messages.
For example with Freeswitch, we can generate detailed call quality reports, conference status and control.

In this talk I will describe the differences between carrier networks we have tested whilst working on our low-latency 5G video camera. I will focus on the differences that impact VoIP and WebRTC traffic.

Areas covered:
– SA vs NSA
– Bandwidth
– Latency
– Asymmetry
– Cost
– IP Adresses
– NAT
– ‘Out of data’ behaviour
– SIM signup/topup

Network gods permitting, there will be a live demo.

Open discussions panel with a selected group of guests.

The panelists will be several prominent Kamailio developers and community members, among them Daniel-Constantin Mierla, Federico Cabiddu, Andreas Granig, Alexandr Dubovikov, Fred Posner.

There are cases, though, where limiting the scope of a Janus server may be useful, e.g., by implementing trunks with specific SIP proxies in order to guarantee calls can only go to, or from, specific servers, or to avoid the need for costly registrations while still allowing incoming calls. This presentation will describe my efforts towards that goal, presenting some of the architectural challenges I had to face as part of the process.

In parallel, ongoing 6G research is targeting an ultimate flexible network environment fulfilling on the one hand the UN SDGs to a large extend, but also to support any type of future connectivity. Thus ideally AI automated 6G network customization and optimization to specific requirements will be the key to success. The German BMBF flagship project Open6GHub (https://www.open6ghub.de/en/) is looking for realizing an open 6G testbed infrastructure.

Fraunhofer FOKUS and TU Berlin are developing since two decades different wireless networking toolkits to build open testbed infrastructures enabling both academic and industrial proof of concepts around the globe. Both organizations are also very active in both above mentioned projects in order to develop the next generation of their toolkits. In this talk we will provide an overview of the TU Berlin Open Source Open6GNet.org (https://www.open6gnet.org) initiative for enabling university students around the globe as well as the Fraunhofer FOKUS Organic 6G Core toolkit for bigger research labs (https://www.6g-ready.net/).

In addition the system has implemented a so called Interworking Function (IWF), which allows to perform calls from/to the public operator network, even towards GSM-R systems which is required by customers.

The solution is based on Kamailio as core IMS system along with integrated 3GPP Application Server (ISC towards Kamailio S-CSCF) and other applications / nodes. Overall, this solution can be seen as a preliminary implementation of FRMCS (Future Railway Mobile Communication System) from the core network and application perspective.

This IWF uses, amongst others, a freshly implemented Kamailio module “ims_rdn” to configure 3GPP application services at the S-CSCF.

Kontron Transportation would explain the solution and how specifically Kamailio has been integrated there and could even do a short live demo using MCx clients as used on the trains.