v=0
o=- 4294967296 2 IN IP4 127.0.0.1
s=SIP Call
c=IN IP4 198.51.100.7
t=0 0
m=video 9 RTP/SAVPF 97 120 121 122 123
c=IN IP6 ::1
a=fingerprint:sha-1 DF:FA:FB:08:3B:3C:54:1D:D7:D4:05:77:A0:72:9B:14:08:6D:0F:4C
a=rtpmap:97 H264/90000
a=rtpmap:120 VP8/90000
a=rtpmap:121 VP9/90000
a=rtpmap:122 red/90000
a=rtpmap:123 ulpfec/90000