Additional info:
NOTE: Here the "UAS" is the refresher.
A B
---INVITE(sdp)---> : M1
<--200 OK--------- : M2
---ACK-----------> : M3
...
<--INVITE()------- : M4
case1:
---200 OK(sdp)---> : M5
case2:
---200 OK--------> : M5'
Is the case1 the valid scenario in case of session refresh, i.e. M5 contains
same "sdp" as M1 ?
or, is the case2 a valid scenarios ?
- bdutta
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Banibrata
Dutta
Sent: Tuesday, August 23, 2005 4:42 PM
To: [email protected]
Subject: [Sip-implementors] session refresh, but without SDP ?
Hi,
Does absence of body (SDP) in the re-INVITE used to do session-refresh (in
case of Session-Timers), signify that media properties remain unchanged from
the previously negotiated ones, or does it mean, no media, i.e. any
established RTP sessions are to be torn down, if re-INVITE doesn't contain
body ?
thanks & regards,
bdutta
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