公开(公告)号：US09031206B2

公开(公告)日：2015-05-12

申请号：US14205271

申请日：2014-03-11

Applicant: Metaswitch Networks Ltd

Inventor： Matthew Williams ,  Michael Jeffrey Evans ,  Alex Hockey ,  Martin Young

IPC: H04M1/24 ,  H04M3/08 ,  H04M3/22 ,  H04M3/24

CPC classification number: H04M3/24 ,  H04M2201/18 ,  H04M2203/556

Abstract: Measures for detecting unusual communication session events in a telecommunications network. A Markov model for events occurring in communication sessions conducted in the network is maintained. The maintaining includes assigning a probability of occurrence metric to a plurality of event sequences in the conducted communication sessions. In response to a given sequence of communication session events being assigned a probability of occurrence metric which exceeds a predetermined threshold, an unusual communication session event alert in association with the given sequence is triggered.

Abstract translation: 检测电信网络异常通信会话事件的措施。 维持在网络中进行的通信会话中发生的事件的马尔可夫模型。 所述维护包括在所进行的通信会话中为多个事件序列分配出现度量的概率。 响应于给定的通信会话事件序列被分配超过预定阈值的出现度量的概率，触发与给定序列相关联的异常通信会话事件警报。