[SIPForum-discussion] Need clarity over Dialog and session in sip.

[Santosh Kumar]

Hi all,
 
  Can anyone kindly clarify what's session and dialog?
  Did try refering rfc, but that defination was'nt able to digest.

  Have read,
   session is something to do with media, while dialog is to do with signaling.
 
  Is it true both session and dialog gets established by INVITE and terminate with BYE?
  , in that case what makes unique between each?
  
 ,Also have read dialog is identified by callid , tag.
   then how is session is identified?

 Need your help or links for understanding,

 Thanks
Santosh









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