No voice Issue: Debugging the project : publishStreamId being null

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I am facing issue of the No voice in the red5phone in r47 
I had debugged same i found that , NullPointerException being thrown while 
pushing audio to the flash player with the help of the log files 

Further i debugged i found that "publishStreamId" which is used by the 
pushAudio method is NULL

Detailed Info(at code level) 

I inserted the log stmt in two files RTMPUser , RTPStreamReceiver, as I am 
getting exception in two classes methods RTMPUser#pushAudio() and 
RTPStreamReceiver#forwardAudioToFlashPlayer() respectively as in log files 
I got the cause of exception that , RTMPUser#publishStreamId instance variable 
being null, while publishing the audio to flash player using Red5 server api 
method  RTMPClient#publishStreamData()

I installed red5- 0.9.1 and red5phone r47
(i used r53 and r54 but same issue)

Anyone knows why it is being null?

Original issue reported on code.google.com by perry.a...@gmail.com on 26 Sep 2011 at 10:04