[SIPForum-discussion] Why the From and To headers are swapped when building SIP BYE to terminate the call?

[ashok.pitambar at wipro.com]

Hi All, 
 
 Considering the scenario where the receiver end or called party is
terminating the SIP call , why the  From and To headers are swapped when
building SIP BYE?
Is it because that session or stack wants to know the who exactly
terminated the call?And might be useful in conference calls to know the
source of termination.
Please share your thoughts on this.
 
Regards, 
Ashok 
 
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