5G technology offers speeds up to 1000 times faster than 4G, as well as significantly lower latency and the ability to support large numbers of devices connecting to the network at the same time. With 5G deployments by telecom operators in both USA/Europe debuting as early as 2019[1] and continuing throughout the following years, it … Continue reading HTTP/2 Server Support for Next-Generation Services in OpenSIPS 3.5
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The main focus of the OpenSIPS 3.5 development plan is to facilitate and provide the tools required to build robust, production-ready, industry-grade IMS solutions. To this goal we have been working on new features and functionalities in OpenSIPS 3.5 that aim to simplify the IMS development process while still provide the required specifications. This post … Continue reading Build an IMS using OpenSIPS 3.5 – S-CSCF (Part 1)
The SQL DB support may be considered one of the early first and long improved feature in the whole history of SER / OpenSER and OpenSIPS. 20+ years later, with OpenSIPS 3.5, the SQL support is keep improving, especially when comes to its usage from script level. This is a natural evolution dictated by the … Continue reading The SQL support, reloaded
IMS Network Architecture, source: researchgate.net Intro The OpenSIPS 3.5 release introduces support for OpenSIPS acting as a Diameter server, with the possibility of scripting generic Diameter Server interactions. This means that you will be able to add, tweak or remove the support for various Diameter requests by only re-deploying your opensips.cfg set of scripts (yes, … Continue reading Diameter Server Support for IMS Flows in OpenSIPS 3.5
The realtime control, via flags or switches, is a critical aspect of any VoIP operation. The ability to manage the features in your system - like to toggle them on or off, to control their behavior - or the ability to manage the user's permissions (or capabilities), are all falling under the generic title of … Continue reading LaunchDarkly integration with OpenSIPS 3.5
OpenSIPS 3.5 took the challenge of providing a complete support for IMS solutions. And here we are talking about industry grade IMS solutions, exceeding the basic lab grade. So, the target is to provide a robust IMS support to be used in real-life industry solutions. To achieve this goal, a quite extensive stage of exploring, understanding … Continue reading IMS status in OpenSIPS 3.5
September 2023 marked the 3rd edition of OpenSIPIt -- the online interoperability testing event for VoIP, SIP and related open-source technologies. This edition, the event featured a hackathon as well, where developers could either try to win some rewards (sponsored by Sippy Software) by completing a specific C/Python coding task or just spend the time … Continue reading Thoughts after Our Participation in OpenSIPIt’03
When comes to the media/RTP side, one of the most common problem to be faced is the so called "one way audio", or "one party does not hear the other one, but vice-versa does". So, lets explore a bit how to troubleshoot such problems. But first, we need to understand how the media/RTP flows are … Continue reading Troubleshooting one way audio calls
Quite a few years have passed since the last set of stress tests were performed on OpenSIPS, with the performance numbers achieved at that time becoming less and less relevant with each new major release. As the number of features has grown, so has the complexity of the codebase -- making the alpha version of … Continue reading Stress-Testing OpenSIPS 3.4 LTS
Our previous post presented SIPssert - an OpenSIPS Testing framework that does conformance testing for VoIP platforms (and not only). In this post we will describe how the OpenSIPS project has already started to benefit from the SIPssert capabilities in order to detect and prevent bugs as well as to avoid regressions and ensure that … Continue reading SIPssert and the journey of testing OpenSIPS
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