Value Name,Long Name,Usable with,Mux,Reference fir,Full Intra Request Command,ccm,IDENTICAL-PER-PT,[RFC5104][RFC8859] tmmbr,Temporary Maximum Media Stream Bit Rate,ccm,IDENTICAL-PER-PT,[RFC5104][RFC8859] tstr,Temporal-Spatial Trade-off,ccm,IDENTICAL-PER-PT,[RFC5104][RFC8859] vbcm,H.271 video back channel messages,ccm,IDENTICAL-PER-PT,[RFC5104][RFC8859] pause,Media Pause/Resume,ccm,TBD,[RFC7728][RFC8859] lrr,Layer Refresh Request Command,ccm,IDENTICAL-PER-PT,[RFC9627]