v=0 o=Mozilla-SIPUA-35.0a1 27987 0 IN IP4 0.0.0.0 s=SIP Call t=0 0 a=ice-ufrag:8a39d2ae a=ice-pwd:601d53aba51a318351b3ecf5ee00048f a=fingerprint:sha-256 30:FF:8E:2B:AC:9D:ED:70:18:10:67:C8:AE:9E:68:F3:86:53:51:B0:AC:31:B7:BE:6D:CF:A4:2E:D3:6E:B4:28 m=application 9 UDP/DTLS/SCTP webrtc-datachannel c=IN IP4 0.0.0.0 a=sctp-port:5000 a=max-message-size:10000 a=setup:actpass