SIP over WebSocket (draft-ietf-sipcore-sip-websocket)

JsSIP implements the “SIP WebSocket Transport” as defined in draft-ietf-sipcore-sip-websocket. JsSIP acts as a “SIP WebSocket Client”:

SIP WebSocket Client:  A SIP entity capable of opening outbound
      connections with WebSocket servers and communicating using the
      WebSocket SIP sub-protocol.