Missed Call Authentication via Network-Side SMS Verification
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Solution Overview
Problem
Current mobile communication systems fail to accurately distinguish between valid and invalid missed calls, leading to user confusion and potential harassment from malicious calls.
Innovation Solution
A method and device involving a network side server that prompts callers to enter authentication information and sends it to the called terminal as a short message, allowing the terminal to authenticate and record only valid missed calls, thereby differentiating between valid and invalid calls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the mobile terminal simply records all incoming but not answered calls, then the recording function is simple and easy to implement, but the distinction between valid and invalid missed calls cannot be made
Solution Approach 1:
The system performs preliminary authentication of the caller before recording the missed call. The network side verifies the caller's identity through authentication information (such as voice print recognition or code input) before allowing the call to be recorded as valid, preventing invalid calls from being recorded while maintaining system simplicity
Solution Approach 2:
An authentication mechanism acts as an intermediary between the caller and the recording system. The network side server verifies the caller's authenticity through authentication information, and only authenticated calls are recorded as valid missed calls, enabling accurate distinction without complicating the terminal's recording function
2Measurement precision
If authentication information is collected from callers, then the accuracy of distinguishing valid and invalid calls is improved, but the system complexity increases
Solution Approach 1:
The network side server serves as an intermediary that handles the complex authentication logic centrally, separating it from the mobile terminal. The terminal only needs to perform simple authentication information collection and transmission, while the network side handles the complex verification and recording decisions, reducing terminal complexity
Solution Approach 2:
The system replaces complex mechanical authentication mechanisms (such as multiple verification steps at the terminal) with network-based authentication using existing communication infrastructure. The network side uses authentication information transmission and verification protocols to achieve accurate distinction without requiring complex local processing at the terminal
3Measurement precision
If the terminal waits for authentication information from the network side, then the accuracy of call validation is improved, but the response time increases
Solution Approach 1:
The system performs authentication verification in advance before the call recording process. The network side pre-verifies the caller's authentication information and makes determination decisions beforehand, so that when the terminal receives the authentication result, the validation accuracy is already established without requiring prolonged waiting time during the call process
Data Source
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AI summary
A method and device for detecting whether a missed call is valid are disclosed in the present invention. Wherein, the method for detecting whether a missed call is valid includes the following steps: when a call is not successfully established, a network side prompting a caller to enter authentication information and sending the authentication information entered by the caller to a called terminal side in a form of a short message; the called terminal side receiving and identifying an authentication short message, judging whether the authentication short message is valid, and authenticating the corresponding incoming call number to be authenticated in a cache by using the authentication information when the authentication short message is judged to be valid; and the called terminal side writing the incoming call number passing the authentication into a missed call record. With the examples of the present invention, it is possible to only store valid missed calls into the missed call record so as to enable the user at the terminal to avoid invalid missed calls effectively, thereby meeting people's requirement on normal communication and contact.