Containing Memory-Related Issues in an Easy Way with OpenSIPS 3.0

OpenSIPS 3.0 includes major changes to the way in which the available memory allocators can be embedded into a build, as well as to the manner in which they can be selected at runtime. The end goal of this rework is to simplify and speed up many existing workflows (debugging, fine tuning, development) by avoiding … Continue reading Containing Memory-Related Issues in an Easy Way with OpenSIPS 3.0

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

Troubleshooting missing ACK in SIP

We all experienced calls getting self disconnected after 5-10 seconds - usually disconnected by the callee side via a BYE request - but a BYE which was not triggered by the party behind the phone, but by the SIP stack/layer itself. This is one of the most common issues we get in SIP and one … Continue reading Troubleshooting missing ACK in SIP