why is the first created SIPServerTransaction discarded by a sipstack ?

Hi, Ranga

 

I have tracked down a SIPServerTransaction(STX) 

to know why this is null and created everytime in examples 

in processInvite method of shootme example.

 

when a invite request is received, new STX is created 

in the messagechannel by sipstack.newSIPServerRequest().

But, when a RequestEvent is created in DialogFilter, 

a parameter stx is null if the stx is not mapped to the sipstack.

 

why is the first created stx by a sipstack  discarded 

and re-created by sipprovider.getNewServerTransaction in UA?

 

Best regards, 

Park

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