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OverSIP: the SIP framework you dreamed about

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OverSIP is a powerful and flexible SIP proxy & server by the authors of draft-ietf-sipcore-sip-websocket (The WebSocket Protocol as a Transport for SIP):

  • Fully asynchronous event-based design, never block!
  • Enjoy coding your SIP logic in Ruby language, feel free to code whatever you need!
  • Fast: core and message parsers written in C language
  • SIP over UDP, TCP, TLS and WebSocket (use true SIP in your web apps)
  • Full support for IPv4, IPv6 and DNS resolution (NAPTR, SRV, A, AAAA)
  • The perfect Outbound Edge Proxy
  • Written by the authors of draft-ietf-sipcore-sip-websocket and JsSIP



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OverSIP is released under the MIT license.

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