> We also made some testing connecting through UDP instead TCP without any 
> problem, using same 3G network.

If streaming over UDP works, then why are you streaming over TCP??  Streaming 
RTP/RTCP-over-TCP is suboptimal, and should be done only as a last resort - if 
you have a firewall that blocks UDP packets).  If you stream over TCP, you will 
get increased latency (often much increased latency).  More importantly, if the 
stream's bitrate exceeds the capacity of your network, then you *will* get 
socket I/O failure (due to OS network buffers filling up).  This may be what is 
happening in your case.

So, because streaming over UDP works for you, you should continue to use it, 
and *don't* try to stream over TCP.


Ross Finlayson
Live Networks, Inc.
http://www.live555.com/

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