アトリビュート(a=行）の一覧
| 2327(suggested) | 4566(defined) |
| cat:<category> | cat:<category> |
| keywds:<kyewords> | keywds:<kyewords> |
| tool:<name and ver. of tool> | tool:<name and ver. of tool> |
| ptime:<packet time> | ptime:<packet time> |
| maxptime:<maximum packet time> | |
| rtpmap:<payload type> <encoding name>/<clock rate>[/<encoding parameters>] | rtpmap:<payload type> <encoding name>/<clock rate>[/<encoding parameters>] |
| recvonly | recvonly |
| sendrecv | sendrecv |
| sendonly | sendonly |
| inactinve | |
| orient:<orienteation> | orient:<orienteation> |
| type:<conference type> | type:<conference type> |
| charset:<character set> | charset:<character set> |
| sdplang:<language tag> | sdplang:<language tag> |
| lang:<language tag> | lang:<language tag> |
| framerate:<frame rate> | framerate:<frame rate> |
| quality:<quality> | quality:<quality> |
| fmtp:<format> <format specfic params.> | fmtp:<format> <format specfic params.> |