The registration process is an important mechanism in SIP. It allows the users to get in contact with the service, to announce their location and to receive calls from the service. The health of your SIP service, and its performance, depends on how well this registrations process works and how accurate and up-to-date the registration … Continue reading How to Eliminate Zombie Registrations in OpenSIPS
Author: bogdan1iancu
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
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
The crown OpenSIPS event, the OpenSIPS Summit, started as being located in Amsterdam, until the pandemic moved us online. But once we were back with to the in-person events, we experimented a different approach, by picking different locations each year - like Athens 2022 and Houston 2023. This approach was a successful one, as both … Continue reading OpenSIPS Summit 2024, Call for Location
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
The OpenSIPS Summit 2023 takes place on US grounds again, after more than 7 years of being anchored on the European continent. The last US edition was Nov 2015, in Austin, TX. How did we decide it? This was one of that kind of quick, group decisions taken actually during the 2022 Summit in Athens. … Continue reading OpenSIPS Summit 2023, T-2 months to launch
While OpenSIPS is mainly a SIP proxy, SIP Back-2-Back capabilities have been supported for a while. But, what about the "end user agent" support in OpenSIPS? Meaning the ability to create and control a Server / Client SIP User Agent, doing all the SIP magic (transactional and dialog level) transparently for you. Considering the integration … Continue reading API driven SIP User-Agent end-point with OpenSIPS 3.4
If almost one year ago we were releasing the first results of the security audit performed by of Enable Security over the OpenSIPS 3.2 code, now is the right time for the full disclosure. What was missing? As per the initial post, we hold back all the information about how to reproduce the crashes. Why? … Continue reading OpenSIPS Security Audit, fully disclosed
There is less than one month to the OpenSIPS Summit in Athens and I'm anxious to be again part of an in-person event, to re-connect with people. The last years of online deprived us of the important gains of the real conferences. Yes, listening to a speaker is not the same when you sit in … Continue reading OpenSIPS Summit, the thrill of re-connecting
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