| With the development of IT technology and communication technology,the integration of the popularity of intelligent terminals,IP network telephone technology,lawbreakers taking advantage of communication network to implement new type telecommunication fraud increased rapidly,which becomes one of the most important reasons for customer complaints and the concussion of communication network.Harassing and fraudulent phones can be divided into the following several types,One is the illegal customers of mobile communication who make a great quatity of calls,hung off after ringing a short time,inducing the called customer to answer a message or telephone recording;another is to dial the phone number,telling some unacceptable contents,disturb the normal work,life,rest,by way of threating and inducing the victim to transfer of property;another is the "call you die" attack on the user,constantly harass customers,and even affect the customer’s normal businesses,which threatened to ask for money.To reflect social responsibility,purify communications network environment,guarantees consumer’s interest and serve customers effectively,operators must consider various of harassing and fraudulent phone monitoring technology and intercepting means in the whole network,construct harassing phone concentrate operation system,released unified of suspected harassing phone analysis strategy,implement harassingtelephone analysis strategy effectively and unified the formulation and management of provinces,achieve on accurate recognition of harassing phones and rapidly interception,makes customers away from communication fraud.So as to effectively enhance the customer’s satisfaction,protect mobile operators benefit from the source,and safeguard the legitimate rights and interests of consumers.According to the operator’s position in the whole network,this paper analysis all kinds of known harassing and fraudulent phone’s characteristic,then classification,tracking,fumbling its technical implementation,study technical means of monitoring and interception within operators network.Reduce the effect of harassing calls to people’s daily life,improve telecommunication operator fraud management in a passive situation,reduce the potential for property damage caused by fraudulent phones,demonstrate operator’s social responsibility. |