| rtcp.app.data | Application specific data | Byte array | |
| rtcp.app.name | Name (ASCII) | String | |
| rtcp.app.subtype | Subtype | Unsigned 8-bit integer | |
| rtcp.length | Length | Unsigned 16-bit integer | |
| rtcp.nack.blp | Bitmask of following lost packets | Unsigned 16-bit integer | |
| rtcp.nack.fsn | First sequence number | Unsigned 16-bit integer | |
| rtcp.padding | Padding | Boolean | |
| rtcp.padding.count | Padding count | Unsigned 8-bit integer | |
| rtcp.padding.data | Padding data | Byte array | |
| rtcp.pt | Packet type | Unsigned 8-bit integer | |
| rtcp.rc | Reception report count | Unsigned 8-bit integer | |
| rtcp.sc | Source count | Unsigned 8-bit integer | |
| rtcp.sdes.length | Length | Unsigned 32-bit integer | |
| rtcp.sdes.prefix.length | Prefix length | Unsigned 8-bit integer | |
| rtcp.sdes.prefix.string | Prefix string | String | |
| rtcp.sdes.ssrc_csrc | SSRC / CSRC identifier | Unsigned 32-bit integer | |
| rtcp.sdes.text | Text | String | |
| rtcp.sdes.type | Type | Unsigned 8-bit integer | |
| rtcp.sender.octetcount | Sender's octet count | Unsigned 32-bit integer | |
| rtcp.sender.packetcount | Sender's packet count | Unsigned 32-bit integer | |
| rtcp.senderssrc | Sender SSRC | Unsigned 32-bit integer | |
| rtcp.ssrc.cum_nr | Cumulative number of packets lost | Unsigned 32-bit integer | |
| rtcp.ssrc.dlsr | Delay since last SR timestamp | Unsigned 32-bit integer | |
| rtcp.ssrc.ext_high | Extended highest sequence number received | Unsigned 32-bit integer | |
| rtcp.ssrc.fraction | Fraction lost | Unsigned 8-bit integer | |
| rtcp.ssrc.high_cycles | Sequence number cycles count | Unsigned 16-bit integer | |
| rtcp.ssrc.high_seq | Highest sequence number received | Unsigned 16-bit integer | |
| rtcp.ssrc.identifier | Identifier | Unsigned 32-bit integer | |
| rtcp.ssrc.jitter | Interarrival jitter | Unsigned 32-bit integer | |
| rtcp.ssrc.lsr | Last SR timestamp | Unsigned 32-bit integer | |
| rtcp.timestamp.ntp | NTP timestamp | String | |
| rtcp.timestamp.rtp | RTP timestamp | Unsigned 32-bit integer | |
| rtcp.version | Version | Unsigned 8-bit integer | |