2011-01-19 14:22:43 
阿炯
OpenSIPS是一个成熟的开源SIP服务器，除了提供基本的SIP代理及SIP路由功能外，还提供了一些应用级的功能。OpenSIPS的结构非常灵 活，其核心路由功能完全通过脚本来实现，可灵活定制各种路由策略，可灵活应用于语音、视频通信、IM以及Presence等多种应用。同时 OpenSIPS性能上是目前最快的SIP服务器之一，可用于电信级产品构建。
凭借其可扩展、模块化的系统架构，OpenSIPS提供了一个高度灵活的、用户可配置的路由引擎，可以为voice、video、IM和 presence等服务提供强大高效的路由、鉴权、NAT、网关协议转化等功能。由于其稳定高效等特点，OpenSIPS已经被诸多电信运营商应用在自己的网络体系中。
OpenSIPS (Open SIP Server) is a mature Open Source implementation of a SIP server. OpenSIPS is more than a SIP proxy/router as it includes application-level functionalities. OpenSIPS, as a SIP server, is the core component of any SIP-based VoIP solution. With a very flexible and customizable routing engine, OpenSIPS 'unifies voice, video, IM and presence services in a highly efficient way, thanks to its scalable (modular) design.
What OpenSIPS has to offer, comes in a reliable and high-performance flavour - OpenSIPS is one of the fastest SIP servers, with a throughput that confirms it as a solution up to enterprise or carrier-grade class.
Features
OpenSIPS can be used as :
SIP registrar server
SIP router / proxy (lcr, dynamic routing, dialplan features)
SIP redirect server
SIP presence agent
SIP back-to-back User Agent
SIP IM server (chat and end-2-end IM)
SIP to SMS gateway (bidirectional)
SIP to XMPP gateway for presence and IM (bidirectional)
SIP load-balancer or dispatcher
SIP front end for gateways/asterisk
SIP NAT traversal unit
SIP application server
主要功能：
SIP注册服务器/代理服务器(lcr、dynamic routing、dialplan)/重定向服务器
SIP presence agent
SIP B2BUA
SIP IM Server
SIP to SMS/XMPP网关
SIP to XMPP网关
SIP 负载均衡
SIP NAT traversal
最新版本：1.10
该版本包含不少改进，例如异步 TCP，更好的 lumps 管理；新功能包括 SCA 支持；新的二进制接口实现更高效的通讯；提供 SQL 到 NoSQL 转换的模块。