"0.0.0.0"
"127.0.0.1"
"application"
"audio"
"candidate"
"cname"
"conference"
"crypto"
"default"
"extmap"
"fingerprint"
"fmtp"
"generation"
"group"
"host"
"ice-lite"
"ice-options"
"ice-pwd"
"ice-ufrag"
"inactive"
"IP4"
"IP6"
"ISAC"
"label"
"mid"
"msid"
"msid-semantic"
"mslabel"
"network-cost"
"network-id"
"prflx"
"pwd"
"raddr"
"recvonly"
"relay"
"rport"
"rtcp"
"rtcp-fb"
"rtcp-mux"
"rtcp-rsize"
"rtpmap"
"sctpmap"
"sctp-port"
"sendonly"
"sendrecv"
"setup"
"srflx"
"ssrc"
"ssrc-group"
"tcptype"
"typ"
"ufrag"
"video"
"webrtc-datachannel"
"WMS"
"x-google-flag"