The 32 bits of RTP packet format is as follows:- (L to R)

Bit 0-1:- Indicates version, currently 2

Bit 2:- P- indicates padding bytes

Bit 3:- X- Indicates presence of extension header

Bit 4-7:- CC- Contains number of CSRC identifiers that follows the header

Bit 8:- M- Current data has some special relevance (if set)

Bit 9-15:- PT- Indicates format of payload

Bit 16-31:- Sequence number

Timestamp: - 32bits – time stamp of packet

SSRC- Synchronization source identifier uniquely identifies the source of a stream.

CSRC -Contributing source IDs enumerate contributing sources to a stream which has been generated from multiple sources

Extension header: - first 32 bit word contains profile specific identifier and length specifier

The 32 bits of RTCP header format is as follows:- (L to R)

Bit 0-1:- Indicates version, currently 2

Bit 2:- P- indicates padding bytes

Bit 3 to 7:- Count of number of reception report blocks

Bit 8 to 15:- Type: - Determined RTCP packet type. Type can take values from 0 to 255

16 to 31:- Length- Length of RTCP packet - 1

SR: - Sender Report for transmission and reception from active senders

RR: - Receiver report for reception from in active senders

SDES: - Source description items

BYE- indicates end of participation

APP: - Application specific functions