SIP Express Router

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SIP Express Router (kamailio)
SIP proxy and registrar

  • " November 04, 2008 - SER joins the sip-router project "
  • " First is important to clarify: from version 3.0.0 on, Kamailio and SER are identical in terms of source code. "

SER or SIP Express Router is a very fast and flexible SIP (RFC3621) server. It handles thousands of calls per second on low-budget hadware. A C shell-like scripting language provides full control over the server's behaviour. Its modular architecture lets users load only the required functionality. The following modules are available: digest authentication, CPL scripts, instant messaging, MySQL support, a presence agent, Radius authentication, record routing, an SMS gateway, a Jabber gateway, a transaction module, a registrar, and user location.



Verified by

Verified on


Verified by

Janet Casey

Verified on

19 February 2003

Leaders and contributors

Nils Ohlmeier; See also the AUTHORS file in the distribution for a complete list Contributor
Jiri Kuthan Maintainer
Juha Heinanen Contributor

Resources and communication

AudienceResource typeURI
DeveloperVCS Repository Webview
Bug TrackingVCS Repository Webview

Software prerequisites

Required to buildgcc >= 2.9x; 3.[12] recommended
Required to buildsed
Required to buildbison
Required to buildtr
Weak prerequisiteGNU tar (for 'make tar' to work)
Weak prerequisitemysql
Weak prerequisiteGNU install (for "make install"
Weak prerequisite"make bin"
Required to buildmake
Weak prerequisitelibexpat (for the jabber module)
Required to buildflex
Weak prerequisitelibmysqlclient & libz (zlib) (for mysql support)
Weak prerequisite"make sunpkg" to work)


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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