http://www.asipto.com/pub/kamailio-devel-guide/
Abstract
This book documents the internal architecture of KAMAILIO (OPENSER) SIP Server, providing the details useful to develop extensions in the core or as a module.
The focus will be on major components of the SIP server, such as memory manager, locking system, parser, database API, configuration file, MI commands, pseudo-variables and module interface.
Examples, API and the architecture are based on current development version of KAMAILIO (OPENSER) - 1.4.0 - at April 2, 2008. Some may change until 1.4.0 is released as stable. The document will be timely updated accordingly, check for updates at www.asipto.com or www.kamailio.org.
This document is free to use for anybody. The authors are not liable in any way for the consequences you may get due to usage of this document.
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