| 摘要 |
A user agent (UA) is provided. The UA comprises a processor configured to send a message specifying a subset of a Session Initiation Protocol (SIP) Dialog-Info Event package that is to be returned to the UA. A method for a user agent (UA) to manage notifications related to session events is also provided. The method includes sending a message specifying a subset of Session Initiation Protocol (SIP) Dialog-Info Event package state information that is to be returned to the UA. The method also provides for receiving the subset of the SIP Dialog-Info Event package state information.
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