Real-Time Rating and Cost Based Routing in OpenSIPS 3.1

While there are numerous external, open-source rating and billing engines available in the wild (e.g. CGRateS, ASTPP), having a quick and easy way of putting a price for a call, without relying on external applications, can be a valuable asset to have. With the addition of the rate_cacher module, OpenSIPS 3.1 gains the ability of caching … Continue reading Real-Time Rating and Cost Based Routing in OpenSIPS 3.1

Quality-based PSTN Routing in OpenSIPS 3.1 LTS [part 2]

Overview This post is a sequel to the initial write-up on the recently introduced qrouting (Quality-based Routing) module. During the last month, the module has received several key additions, aimed at both improving the data format (gateway statistics, thresholds and scores) as well as the runtime behavior, with a new traffic balancing algorithm having been … Continue reading Quality-based PSTN Routing in OpenSIPS 3.1 LTS [part 2]

Quality-based PSTN Routing in OpenSIPS 3.1 LTS [part 1]

Introduction Note: some information in this post may be outdated. Make sure to also read the follow-up post for the final view on qrouting's behavior. Up until today, the open-source SIP server garden seems to have yielded quite a handful of ways to perform PSTN routing. Some VoIP operators prefer to pull the latest rate … Continue reading Quality-based PSTN Routing in OpenSIPS 3.1 LTS [part 1]