| 摘要 |
Systems (100) for graceful termination of support for session initiation protocol communications on a server (102,104,106 and 108). Systems include means for setting a time period for gracefully terminating such support, mea ns for sending a service unavailable message to a client (110,112,114 and 116), means for causing the server to maintain support, until no later than the expiration of the time period for terminating support, for uncompleted sessi on initiation protocol invites accepted by the server before sending the servic e unavailable message to the client, and means for terminating support for session initiation protocol communications on the server no later than upon expiration of the time period for terminating support. Methods for graceful termination of such support. Computer-readable media whose contents cause a computer system to perform a graceful termination of such support.
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