高性能SIP服务器，Kamailio 4.0.2 发布

Kamailio (原来叫 OpenSER)是一个高性能SIP (RFC3261)服务器，拥有一个灵活的架构和许多扩展。这个服务器实现了代理，注册，重定向和SIP / VoIP位置服务。它已经能够支持 UDP/TCP/TLS传输层，ENUM, AAA, RADIUS, DIAMETER, SMS 和 XMPP网关，最低成本路由，负载均衡，NAT穿越，呼叫语言处理。

发布说明: This is a maintenance release, including fixes since the release of 4.0.1. Installations running previous 4.0.x versions are advised to upgrade. The new features brought by this release series are listed in the announcement for version 4.0.0