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Current Status From C.3.2 (roughly), leading 2 bits of “type” field are interpreted as follows: 00 (Mandatory): If the object is not understood, the entire message containing it must be rejected with an error indication. 01 (Ignore): If the object is not understood, it should be deleted and then the rest of the message processed as usual. 10 (Forward): If the object is not understood, it should be retained unchanged in any message forwarded as a result of message processing, but not stored locally. 11 (Refresh): If the object is not understood, it should be incorporated into the locally stored signaling application state for this flow/session, forwarded in any resulting message, and also used in any refresh or repair message which is generated locally. |