Rfc 2032 Rtp

1. Abstract ............................................. 1 2. Purpose of this document ............................. 2 3. Structure of the packet stream ....................... 2 3.1 Overview of the ITU-T recommendation H.261 .......... 2 3.2 Considerations for packetization .................... 3 4. Specification of the packetization scheme ............ 4 4.1 Usage of RTP ........................................ 4 4.2 Recommendations for operation with hardware codecs .. 6 5. Packet loss issues ................................... 7 5.1 Use of optional H.261-specific control packets ...... 8 5.2 H.261 control packets definition .................... 9 5.2.1 Full INTRA-frame Request (FIR) packet ............. 9 5.2.2 Negative ACKnowledgements (NACK) packet ........... 9 6. Security Considerations .............................. 10 Authors’ Addresses ..................................... 10 Acknowledgements ....................................... 10 References ............................................. 11