Method for identifying calling number according to ringing time of missed call of mobile phone

Abstract

The invention discloses a method for identifying a calling number according to the ringing time of a missed call of a mobile phone, which comprises the following steps: a, recording to the current time t1 when the mobile phone detects an incoming call; b, recording the ending time t2 of ringing of the incoming call in case of failure to answer the call; and ending the recording if the call the answered; c, calculating the continuous ringing time t of the missed call according to the formula: the continuous ringing time t is equal to difference obtained by deducting the current time t1 of the incoming call by the ending time t2 of ringing of the incoming call; and d, adding the continuous ringing time t into calling records on missed calls of the mobile phone, and comparing the continuous ringing time t with the set specified time to display the difference; if the difference is more than 0, the mobile phone displays that the number of the incoming call is a normal number; otherwise, the number of the incoming call is an illegal number. Compared with the prior art, the nature of the incoming call can be judged preliminarily according to the ringing time of the incoming call and the number of the incoming call, so that reply to illegal numbers can be avoided, and losses of labor and properties can be prevented.

Description

technical field [0001] The invention relates to a mobile phone, in particular to a method for identifying a caller number according to the ringing time of a missed call of the mobile phone, which is mainly used to identify whether the caller number is a ringing phone, so as to avoid unnecessary losses to users. Background technique [0002] As a commonly used tool for information transmission, mobile phones are closely related to people's lives, but various spam calls also follow: some are boring and harassing, some are spreading illegal information, and some are even fraudulent. These spam calls, especially those used to defraud telephone charges, have one thing in common, that is, hang up immediately after unplugging the user's mobile phone. The group dialing device performs automatic dialing, dials the specified number or number segment, and hangs up immediately after the outgoing number is displayed on the victim's landline or mobile phone. At this time, the landline or ...

AI Technical Summary

Problems solved by technology

[0003] For this type of caller number, many users do not know that there is fraud, and usually see a missed call, they will call back directly, and once connected, it may cause loss of call charges or encounter fraud

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