Hi All,

One query related to Session Expire header & Session refresher.

UA-A                                             UA-B
------------------INVITE------------------->
(Session-Expire:600;refresher=uac)
<----------------200OK--------------------
(Session-Expire:600;refresher=uac)
-------------------ACK-------------------->
               <after sometime>
<---------------reINVITE----------------
(Session-Expire:600;refresher=uac)
-----------------200OK------------------>
(Session-Expire:600;refresher=uac)

As seen above UA-A calls UA-B. For this call UAC i.e. UA-A will behave
as a session refresher.

After sometime UA-B sends a reINVITE with Session-Expire header having
refresher=uac.
So will it make UA-B as refresher?

Does the refresher remain intact on the dialog basis or Transaction
basis ?

Thanks,
Puneet


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