| 摘要 |
A communication network ( 100 ) has a network element ( 102 ), and a remote controller ( 104 ). The network element exchanges data packets with other network elements, and is programmed to store ( 202 ) telephony configuration information as updates are made thereto, transmit ( 210 ) an operational status to a remote controller monitoring operations of the network element, transmit ( 212, 214 ) an alarm to the remote controller when an interruption in service is detected, and restore ( 216 ) operations of the network element according to the last recorded telephony configuration information. The remote controller is programmed to transmit ( 306, 308 ) an alarm notice to a service agent upon detecting a communication interruption event at the network element.
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