OpenSIPS is a mature implementation of a SIP
server/proxy. It is more than a SIP proxy/router,
as it includes application-level functionalities.
OpenSIPS, as a SIP server, can server as the core
component of any SIP-based VoIP solution.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
This release adds several major improvements (scripting,
dialog support,
TCP,
Web Sockets,
timers),
but also new functionalities like CacheDB Interface-CouchBase,
MongoDB,
Cache2SQL,
and a nice provisioning tool, the PI_HTTP module, or a great helper on integration,
the Event_Route module (combined with a rich set of new events from core and
modules).
The important goals of this release were scalability (geo and load),
integration capabilities,
and controllability (debugging,
tracing,
monitoring).
This release contains fixes for crashes, malfunctions, and compliance issues in the core and critical modules including dialog, presence, tm, and textops. Functionality, scripting, and interfacing were not changed. Upgrading is highly recommended.
This release comes with several major improvements (a DB area, dialog support, TCP, and debugging) and new functionality (like an Event Notification Interface, a UAC Registrant module, scripting support, etc).
The most important additions in this release are CDR support in the ACC module, media timeout and call termination with the nathelper and dialog module, a new Presence Call Info dialog, and a B2BUA API.
This release brings new features and enhancements and a lot of fixes. The b2bua module has better scenario capabilities. The presence module mixes dialog information with presence. pua_dialoginfo shows per leg (caller/callee) dialog information. dialog exchanges information between dialogs. Statistics are accessible from a script. dialplan has a more powerful regexp engine. New variables and new transformation were added for scripting. Critical fixes were made for the DNS resolver, SIP parser, and modules.
