SIP protocol

Supported protocols

  • SIP v2
  • SIP over UDP
  • SIP over TCP
  • SIP over TLS
  • SRTP
  • T.38
  • SIP INFO DTMF (RFC 2976)
  • RFC 3261 (ACK, BYE, CANCEL, INVITE, OPTIONS, REGISTER)
  • RFC 3265 (SUBSCRIBE, NOTIFY)
  • RFC 3311 (UPDATE)
  • RFC 3515 (REFER)
  • RE-INVITE support

Additionally

  • registration: inbound and outbound.
    Configurable timeouts and number of attempts;
  • support for devices under NAT;
  • support for system deployment under NAT;
  • calls hangup by RTP timeout;
  • RTP bridging modes: direct (p2p) , proxy, translation, passing through jitter buffer;
  • video support;
  • manipulation of ToS of frames

Русский перевод

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