[Serusers] HELP!!! User AGent don't send ACK after 200 OK message.! HELP!!!

[armando]

 Hi!

I have a very weird trouble here... I've been watching using a sniffer the
messages exchange between 2 UA and SER .... and I can see very clear that
the Caller UA never reply with an ACK message after it  has received the 200
OK  message from the Callee UA. It just open the rtp port and start sending
out rtp streams... I have tried this either using ATA and Sipuras, but
always the same result... because of this the caller never received audio
streams from the callee due this last one is waiting for the ACK message
after it sent out the 200 OK message... I have no clue why they are no
sending this message to the callee.. I need help please!!! 

Any help or clue or hint...or whatever will be really appreciate!!!

Thanks in advance!

Armando Marrero
Cti, Miami, FL
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