Developing multimedia applications with  JMF         T.G.Venkatesh      
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JMF RTP API
•RTP session: A collection of participants exchanging media using the RTP constitutes a RTP session.
•Participant : abstracts an application that sends and / or receives RTP encoded stream in a RTP session.
Řlocal and remote participants.
ŘIdentified by a CNAME( cononical name)
•RTPManager :Each participant use a RTPManager object to  co-ordinates the RTPsession on participant’s behalf..
•RTPStream  : defines a media stream exchanged in a RTP session. ReceiveStream and SendStream.
•SessionAddress : a transport level end-point in JMF RTP API.
ŘHas the InetAddress and port number to be used by the RTP for the data transfer
Řthe InetAddress and port number to be used by the RTCP for the purpose of control.