The domain module implements checks that based on domain table determine if a host part of a URI is “local” or not. A “local” domain is one that the proxy is responsible for. The module operates in caching…

diversion module implements the Diversion extensions as per draft-levy-sip-diversion-08. The diversion extensions are useful in various scenarios involving call forwarding. Typically one needs to communicate the original recipient of the call to the PSTN gateway and this is…

db_text implements a simplified database engine based on text files. It can be used by OpenSER DB interface instead of other database module (like MySQL, PostgreSQL, UnixODBC). The module was meant for use in demos or small devices…

__cpl-c_ module implements a CPL (Call Processing Language – RFC3880) interpreter. It has support for uploading/downloading/removing scripts via SIP REGISTER method. CPL is a powerful and flexible XML scripting language that allows each user to develop its call…

avpops offers the interface to configuration file for managing pseudo-variables and AVPs. Starting with OpenSER 1.2.0, many of avpops operations can be done directly in script, but still some of its functionalities are not. The provides as well…

dispatcher module can be used to implement load balancing and SIP requests dispatching over a set of destinations. The following dispatching algorithms are available in OpenSER 1.2.x: hash over Call-Id hash over From URI hash over To URI….

avp_radius module allows loading of user’s attributes into AVPs from RADIUS server. User’s name and domain can be based on From URI, Request URI, or authenticated credentials. The module assumes that Radius returns the AVPs as values of…

auth_db is a module that has to be used together with auth module to provide authentication of SIP registration and calls. You need to use it if you store user profiles in databases, like MySQL, PostgreSQL, …. In…

alias_db module can be used as an alternative for user aliases via usrloc. The main feature is that it does not store all adjacent data as for user location (less memory usage) and always uses a database for…

acc module is used to account transactions information to different backends like syslog, SQL databases, RADIUS and DIAMETER (beta version). OpenSER/OpenSIPS does event based accounting, that means it can log details for start and stop events of a…

valid for OpenSER v1.2.x When trying to debug the configuration file of OpenSER might turn out that the amount of debug messages printed is very large and it is hard to spot the lines printed by xlog()/xdbg(). The…