| 摘要 |
Systems and methods for providing redundant application servers are described. A method of providing application server redundancy in a VoIP environment includes, receiving, at a standby server, application layer and signaling layer state information related to an active server and configuring the standby server to have substantially the same application layer and signaling layer state as the active server. The method also includes receiving, at the standby server, a copy of a message received by the active server and processing, by the standby server, the copy of the message to maintain synchronization between the state of the active server and the standby server.
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