Receiver and transmitter on the same local port?

Hi,
Just got a couple of questions:
1. Is JMF 2.1.1e capable of using the same local port for receving and transmitting audio (say in PCMU), i.e. symmetric RTP?
2. If yes, then Im just facing a problem and once I assign the same local port, I end up with one-way audio, because my transmitter is not working for some reason... :( The way I create transmitter on the same local port as the receiver, is by reusing the same RTPManager that was created for the receiver on the first place. Is there anything I need to add to make it work properly?? Btw, the media code is borrowed from old SIP Comm project (just in case anyone knows, otherwise, ignore this).
I'd appreciate any help!
Andrey.

I found solution. There is an existing thread for this, actually :) Anyone interested, go to http://forum.java.sun.com/thread.jspa?threadID=589850&messageID=3064538
In short, i took AVReceive3, AVTransmit3 and RTPSocketAdapter files, created another class to start receiver and transitter (called it TempManager) and passed this TempManager in the arguments to both (like an owner or smth). Then transmitter is started first and saves created RTPManager's to the TempManager instance, and when receiver starts, it just takes already created RTPManager's from TempManager and uses them to initialize by itself... I just took a .wav file after that and played between accross local net between 2 hosts. Works really fine, however i still need to port all these into my app. :)

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    Exclamation point and folder and nothing else
    Spank your iPod
    http://www.youtube.com/watch?v=3ljPhrFUaOY
    http://discussions.apple.com/thread.jspa?messageID=3597173#3597173
    Exclamation point and folder and nothing else
    http://discussions.apple.com/thread.jspa?messageID=2831962#2831962
    What should I do with my iPod? Send it or keep it?
    http://discussions.apple.com/thread.jspa?threadID=469080&tstart=0
    Strange error on iPod (probably death)
    http://discussions.apple.com/thread.jspa?threadID=435160&start=0&tstart=0
    Sad Face on iPod for no apparent reason
    http://discussions.apple.com/thread.jspa?threadID=336342&start=0&tstart=0
    Meeting the Sad iPod icon
    http://askpang.typepad.com/relevant_history/2004/11/meeting_the_sad.html#comment -10519524
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    http://discussions.apple.com/thread.jspa?messageID=2236095#2236095
    iPod Photo: unhappy icon + warranty question
    http://discussions.apple.com/thread.jspa?messageID=2233746#2233746
    4th Gen iPod Users - are we all having the same problem?
    http://discussions.apple.com/message.jspa?messageID=2235623#2235623
    Low Battery, and clicking sounds
    http://discussions.apple.com/thread.jspa?messageID=2237714#2237714
    Sad faced iPod, but my computer won’t recognize it
    http://discussions.apple.com/thread.jspa?messageID=2242018#2242018
    Sad iPod solution
    http://discussions.apple.com/thread.jspa?threadID=412033&tstart=0
    Re: try to restore ipod and it says "can't mount ipod"
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    http://discussions.apple.com/thread.jspa?messageID=2420150#2420150
    Cant put it into disk mode
    http://discussions.apple.com/thread.jspa?messageID=3786084#3786084
    I think my iPod just died its final death
    http://discussions.apple.com/thread.jspa?messageID=3813051
    Apple logo & monochrome battery stay
    http://discussions.apple.com/thread.jspa?messageID=3827167#3827167
    My iPod ism’t resetting and isn’t being read by my computer
    http://discussions.apple.com/thread.jspa?messageID=4489387#4489387
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