Introduction - If you have any usage issues, please Google them yourself
OpenSIPS is a mature open source SIP server, in addition to providing basic SIP proxy and SIP routing capabilities, but also provides some application-level functions. OpenSIPS structure is very flexible routing capabilities of its core achieved entirely through the script can be flexible and customize a variety of routing strategies can be applied in a flexible voice, video, communications, IM and Presence, and other applications. At the same time OpenSIPS performance is one of the fastest growing SIP server can be used to build carrier-class products.