A New Internet-Draft is available from the on-line Internet-Drafts
directories.
Title : The Criterion of Session State
Author(s) : G. Yang
Filename : draft-gaoyang-sipping-session-state-criterion-00.txt
Pages : 12
Date : 2009-1-8
There is debate on the topic of "Commit/Rollback of Offer/Answer on
Unsuccessful re-INVITE". The reason of the confusion is some
application/session usages of offer/answer imply the nest
transaction(mean transaction theory, not mean sip transaction)
concept,but whitout unambiguous definition. This paper reveal the
concept of nest transactions in current RFC and other well known
application/session usages. And then clarify that there is no
ambiguous state of session modification using current RFC definition.
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