Rubbish voice information monitoring method and device

A technology of voice information and monitoring device is applied in the field of network information security to achieve the effect of refining detection granularity
CN101222379BInactive Publication Date: 2010-12-29NEUSOFT CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NEUSOFT CORP
Publication Date
2010-12-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a trash speech information detecting method which comprises that: a SIP transaction signaling is obtained; a SIP transaction finite-state machine is used to have state monitoring on the obtained SIP signaling; the state monitoring comprises that: the state transition of the SIP transaction is tracked; if the monitored SIP transaction produces specific state transition in the process of state transition, corresponding atom information is recorded; the atom information is relevant to trash speech information. The invention deeply analyzes the SPIT behavior property; the behavior property is made to correspond to the property embodying on the type and flow of the SIP signaling, then corresponding state transition is identified from the SIP transaction finite-state machine; the property is detected through monitoring signaling flow, thereby obtaining the atom information SI (SPIT Information) relevant to SPIT. In addition, the invention provides a multilevel SPIT detecting proposal, can have detection and analysis in multilevel, thin detection granularity and can identify complicated multistep SPIT attack.
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Description

technical field

[0001] The invention relates to the technical field of network information security, in particular to a method and device for monitoring garbage voice information. Background technique

[0002] Network convergence can make full use of resources, reduce operating costs, and enrich service styles, so that users can enjoy the same services regardless of whether they are in a fixed or mobile environment. From a global perspective, FMC (FixedMobile Convergence, fixed and mobile network integration) is an inevitable trend and has become a worldwide trend. Under such a general trend, the SIP protocol (Session Initiation Protocol, Session Initiation Protocol), which has the characteristics of simple implementation, good scalability, and strong ability to provide multimedia sessions, has become the mainstream of applications. Standardization organizations such as IETF and 3GPP regard the SIP protocol as the core application layer control protocol, and well-known man...

Claims

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