[Live-devel] Why sdpLines is called twice??

[Achraf]

Hi all, 
I have add an "fprintf" in the function "sdpLines"  within
onDemandServerMediaSubsession  just before "return" and I have
discovered that this function is called twice with every new client
connection!!! Please can you explain to me why "sdpLines" function is
called twice ???
Thanks in advance!
Achraf
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