About OpenSIPS

OpenSIPS is an advanced and highly efficient SIP Proxy, Registrar and SBC delivering the following benefits:

  • Incredible capacity, both for call handling and User Agent registrations
  • Improved Internet security through screening of malicious SIP packets, User authentication, source address matching and a host of other measures
  • Load balancing, intelligent routing, Least Cost Routing, endpoint failure detection, failover routing, forking, re-direct routing, etc
  • Far-end NAT detection and Media Proxying (including support for ICE)
  • SBC-like operation allows topology hiding and controlled access between the Internet and SIP Servers in a secure network zone