sip ice协议官方文档(英文)

ThisdocumentdescribesaprotocolforNetworkAddressTranslator(NAT)traversalforUDP-basedmultimediasessionsestablishedwiththeoffer/answermodel.ThisprotocoliscalledInteractiveConnectivityEstablishment(ICE).ICEmakesuseoftheSessionTraversalUtilitiesforNAT(STUN)protocolanditsextension,Tra