| m=audio 9 RTP/SAVPF 111 | |
| c=IN IP4 0.0.0.0 | |
| a=rtcp:9 IN IP4 0.0.0.0 | |
| a=ice-ufrag:ufrag_voice | |
| a=ice-pwd:pwd_voice | |
| a=mid:audio_content_name | |
| a=sendrecv | |
| a=rtpmap:111 opus/48000/2 | |
| a=ssrc:1 cname:stream_1_cname | |
| a=ssrc:1 msid:local_stream audio_track_id_1 | |
| a=ssrc:1 mslabel:local_stream | |
| a=ssrc:1 label:audio_track_id_1 |