Dear Christer Holmberg
Perphas you are trying to find a case, in which modification of part of the m-lines commit, and the others rollback.
I tried to do the same thing :).
Based on chapter 3.2(of the draft), in transaction level, "late commitment of 200OK of Re-INVITE" contains "precondition".
So the m-lines without preconditon is committed in semantics of precondition level. And the m-lines with precondition can only be committed after the preconidtion notification.
But the modification of all of the m-lins can only be committed after 200OK(Re-INVITE) in semantics of "late commitment of 200OK of Re-INVITE" level.
So, the final commitment or rollback of the modification triggered by Re-INVITE is same for all the m-lins(no matter with precondition or without preconditin).
And for modification triggered by UPDATE, the thing is interesting. And I explain something in the previous mail :).
Gaoyang
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