Type,SDP Name,Mux Category,Reference
bwtype,CT,NORMAL,[RFC8866][RFC8859]
bwtype,AS,SUM,[RFC8866][RFC8859]
bwtype,RS,SUM,[RFC3556][RFC8859]
bwtype,RR,SUM,[RFC3556][RFC8859]
bwtype,TIAS,SPECIAL,[RFC3890][RFC8859]