webRTC answer

{"type":"answer","sdp":"v=0\r\no=Mozilla-SIPUA-22.0 12248 0 IN IP4 0.0.0.0\r\ns=SIP Call\r\nt=0 0\r\na=ice-ufrag:81a27436\r\na=ice-pwd:0c4b026cf0e125f5e3018be4135fc1e2\r\na=fingerprint:sha-256 84:E9:EA:E2:DB:1A:74:63:54:59:DF:E7:B0:CF:13:94:D4:A7:05:C2:A1:BC:EF:8E:C4:2E:63:B6:F0:97:E2:E8\r\nm=audio 50113 RTP/SAVPF 109 101\r\nc=IN IP4 41.139.240.230\r\na=rtpmap:109 opus/48000/2\r\na=ptime:20\r\na=rtpmap:101 telephone-event/8000\r\na=fmtp:101 0-15\r\na=recvonly\r\na=candidate:0 1 UDP 2111832319 10.2.13.22 58276 typ host\r\na=candidate:1 1 UDP 1692467199 41.139.240.230 50112 typ srflx raddr 10.2.13.22 rport 58276\r\na=candidate:2 1 UDP 2112422143 192.168.122.1 53673 typ host\r\na=candidate:3 1 UDP 1693057023 41.139.240.230 50113 typ srflx raddr 192.168.122.1 rport 53673\r\na=candidate:0 2 UDP 2111832318 10.2.13.22 57294 typ host\r\na=candidate:1 2 UDP 1692467198 41.139.240.230 50114 typ srflx raddr 10.2.13.22 rport 57294\r\na=candidate:2 2 UDP 2112422142 192.168.122.1 38024 typ host\r\na=candidate:3 2 UDP 1693057022 41.139.240.230 50115 typ srflx raddr 192.168.122.1 rport 38024\r\nm=application 50117 SCTP/DTLS 5001 \r\nc=IN IP4 41.139.240.230\r\na=sendrecv\r\na=candidate:0 1 UDP 2111832319 10.2.13.22 44107 typ host\r\na=candidate:1 1 UDP 1692467199 41.139.240.230 50116 typ srflx raddr 10.2.13.22 rport 44107\r\na=candidate:2 1 UDP 2112422143 192.168.122.1 49364 typ host\r\na=candidate:3 1 UDP 1693057023 41.139.240.230 50117 typ srflx raddr 192.168.122.1 rport 49364\r\na=candidate:0 2 UDP 2111832318 10.2.13.22 43445 typ host\r\na=candidate:1 2 UDP 1692467198 41.139.240.230 50118 typ srflx raddr 10.2.13.22 rport 43445\r\na=candidate:2 2 UDP 2112422142 192.168.122.1 46525 typ host\r\na=candidate:3 2 UDP 1693057022 41.139.240.230 50119 typ srflx raddr 192.168.122.1 rport 46525\r\n"}