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Essay On Spam Callers

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ABSTRACT Voice over Internet Protocol (VoIP) is a type of hardware and software. It enables people to use the Internet as the transmission medium for telephone calls by sending voice data in packets using IP. VoIP service is cheap and easy to use. Since it is simple, upgrading also simpler too. The advantages of VoIP service like free charge is produce the major disadvantages too because the spam callers like as advertiser, telemarketers, prank callers are using this free charges for generating the bulk unwanted calls and messages. Our aim is to block the spam calls without user involvement. The pre acceptance method are based on caller trust and reputation for block the unwanted calls by using call duration, call rate of the VoIP users. First, by use of call duration and call rate we …show more content…

The spam callers have the behaviour of uni-direction of communication so, it is unbalanced in/out degree. But, the legitimate callers have bi-directional relationship so that it is balanced in/out degree. Call rate is the total number of calls made/ received by the caller and it can be categorized as in and out call rates. Call rate says the repetitive behaviour of user based on the higher call rate, more frequently user calls the same people. Spam caller have higher call rate only for outgoing, they don 't have the repetitive behavior. Call duration is the total duration of the calls made or received by the user. The legitimate callers have higher amount of call duration with their social network and have small amount of duration with outside of their social network. Legitimate callers don 't call the unknown numbers. But spam caller have the behavior of making calls to the unknown person. They making large number of calls with the small amount of call duration. So this caller different from the legitimate

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