SIP Express Router (SER)
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SIP Express Router (SER) is a high-performance, configurable, free software SIP (cit. RFC 3261 ) server . It can act as SIP registrar, proxy or redirect server. SER features presence support, RADIUS/syslog accounting and authorization, XML-RPC-based remote control, etc. Web-based user provisioning, serweb, is available. SER's performance allows it to deal with operational burdens, such as broken network components, attacks, power-up reboots and a rapidly growing user population. SER can be configured for many scenarios including small-office use, enterprise PBX replacements and carrier services. SER is publicly available under the terms of the GNU General Public License.
SER was initially developed by Fraunhofer Fokus in 2001. Part of the Fokus team then moved, with the SER copyrights, to a newly created company, iptelorg in 2004. Two of the five SER core developers and one main contributor started a new Open Source project named OpenSER. Additional open source code was contributed by independent third parties.
SER and OpenSER followed different development paths. Currently, SER is in pre-release of its new branch called Ottendorf.
The SER project remains open source.
