true 192.1.1.2 5000 /sample.mov user password 192.1.1.2 192.1.1.1 5100 user password /sample.sdp 192.1.1.1 192.1.1.2 --> 5000 --> 5002 --> 5 192.1.1.1 /sample.sdp 192.1.1.2 192.1.1.1 --> 5000 --> 5002 --> 5