OCCAS 4.0 Rejects The Notify Received Before The Subscribe Transaction Has Completed

(Doc ID 948658.1)

Last updated on MARCH 29, 2018

Applies to:

Oracle Communications Converged Application Server - Version 4.0.0 and later
Net-Net 4250
Information in this document applies to any platform.


As described in the RFC3265 (chapter,
"Due to the potential for both out-of-order messages and forking,
the subscriber MUST be prepared to receive NOTIFY messages before the SUBSCRIBE transaction has completed." and this NOTIFY must validate the SUBSCRIBE transaction.

But when OCCAS 4.0 receives the NOTIFY message before the 200 Ok response of the corresponding SUBSCRIBE, it returns a "481 Subscription does not exist", rejecting the NOTIFY.


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