How To Script Advanced FreeSWITCH Integrations with OpenSIPS 2.4

Happy New Year 2018! In this follow-up article, we're going to take a look at a major feature that Santa merged into the OpenSIPS development branch, just about a couple of days before Christmas: a series of advanced FreeSWITCH integration capabilities. It is now possible to fully control FreeSWITCH within the OpenSIPS script. This is … Continue reading How To Script Advanced FreeSWITCH Integrations with OpenSIPS 2.4

Deep Dive into the OpenSIPS Statistics Support

Whether you are a seasoned OpenSIPS administrator or you are still trying to figure out why your ACKs are looping all over your network, one thing is for certain: all of us will sooner or later need to have OpenSIPS produce some numbers which will answer questions such as: how many minutes has my OpenSIPS … Continue reading Deep Dive into the OpenSIPS Statistics Support

How To Use Database “Partitions” in OpenSIPS

Intro Inside the OpenSIPS bubble, the notion of a "partition" was first introduced in OpenSIPS 2.1, roughly around March 2015. But what exactly are they and how do we use them? In short, they allow a single OpenSIPS module to be able to work with data from multiple database sources. In other words, in OpenSIPS terminology, a … Continue reading How To Use Database “Partitions” in OpenSIPS

Hunting Down Complex OpenSIPS Bugs in Production Environments

Three key principles have guided the development of OpenSIPS since its very beginnings: performance, flexibility and modularity. The resulting codebase and feature set all reflect this statement: multiple process management, shared memory, async I/O, module APIs, optimized code, etc. While these are trivial to use and benefit from once everything is nice and working, not … Continue reading Hunting Down Complex OpenSIPS Bugs in Production Environments

OpenSIPS 2.3 Stable: The Last Hurdle Before the Amsterdam Summit

Great news for everyone in the VoIP community: we have just released OpenSIPS 2.3.0 stable! This release is a follow-up of over a month full of testing and taking care of issues reported through the mailing lists, GitHub tracker and IRC. Over 150 fix-commits were backported into OpenSIPS 2.3, leading to what we now consider to be … Continue reading OpenSIPS 2.3 Stable: The Last Hurdle Before the Amsterdam Summit

How to Use the Enhanced MongoDB Module in OpenSIPS 2.3

Great news for all users of the OpenSIPS "cachedb_mongodb" module! After four successful years since its initial release in Jan 2013, the driver will benefit from a complete revamp in the upcoming OpenSIPS 2.3, and will work on top of the latest libmongoc 1.6.0. The updated module will be compatible with all MongoDB 2.4+ servers. The main reasons … Continue reading How to Use the Enhanced MongoDB Module in OpenSIPS 2.3

FreeSWITCH-driven routing in OpenSIPS 2.3

SIP setups where OpenSIPS acts as a front-end for a farm of class 5 servers are becoming increasingly popular. Such architectures combine the best of both worlds: robust and optimized handling of SIP signaling with feature-rich class 5 softswitches. This way of integrating open-source projects has lead to a unique opportunity for our team, along with the FreeSWITCH team, to … Continue reading FreeSWITCH-driven routing in OpenSIPS 2.3

OpenSIPS minor releases 2.2.3 and 1.11.10

We are happy to announce a new set of OpenSIPS minor versions, namely 2.2.3 and 1.11.10, incorporating the last 4 months of backports and no less than 126 commits! While roughly half of these commits strictly relate to static code analysis issues (thank you Răzvan for the Coverity initiative!), the rest of them include important … Continue reading OpenSIPS minor releases 2.2.3 and 1.11.10

Mid-registrar: scalable registration and call forking

The new mid-registrar functionality is now available with OpenSIPS 2.3 (current development branch) ! What is a mid-registrar ? The mid-registrar is a mid-component of a SIP platform, designed to work between end users and the platform's main registration component. It opens up new possibilities for leveraging existing infrastructure in order to continue to grow (as … Continue reading Mid-registrar: scalable registration and call forking

How To Proxy SIP Registrations

SIP registration is the process through which SIP user devices (desk phones, soft phones, etc.) periodically announce or refresh their network location to a SIP registrar, for an upcoming period of time. Once registered with the VoIP platform, the device is able to receive calls or messages from other devices. Proxying SIP registrations In some cases, we may want … Continue reading How To Proxy SIP Registrations