Home Network Telephony Authentication via SMS Intermediary
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Solution Overview
Problem
In home network telephony services, the existing REST scheme allows easy access to IP addresses, enabling unauthorized access and control of devices, and this issue persists even when using Short Message Service (SMS) instead of a server.
Innovation Solution
A method and system that authenticate devices making requests to access the home network by transmitting authentication information through short messages or REST messages, ensuring only authorized devices can access and control network information, thereby preventing unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the existing REST scheme is used to provide home network telephony service, then ease of operation is improved, but security is worsened due to unauthorized access and control of devices
Solution Approach 1:
The patent introduces an authentication server as an intermediary between telephony terminals and home network devices. This server mediates authentication requests and responses, preventing direct unauthorized access to devices while maintaining ease of operation through standardized authentication protocols.
Solution Approach 2:
The patent implements preliminary authentication actions before allowing access to home network devices. The authentication server verifies terminal credentials in advance, establishing security permissions before any device control or information access occurs, thus preventing unauthorized operations.
2Device complexity
If Short Message Service (SMS) is used instead of a server, then device complexity is reduced, but security is worsened due to persistent unauthorized access vulnerability
Solution Approach 1:
The patent uses SMS messages as an intermediary authentication mechanism. The authentication server communicates authentication credentials and verification codes via SMS between terminals, providing security without requiring complex server infrastructure at client devices.
Solution Approach 2:
The patent replaces complex mechanical server infrastructure with a streamlined SMS-based authentication system. By using cellular network messaging infrastructure instead of dedicated authentication servers at each device, the system reduces complexity while maintaining security through centralized authentication management.
3Reliability
If authentication information is transmitted through SMS or REST messages, then security is improved, but loss of time is worsened due to additional authentication steps
Solution Approach 1:
The patent performs authentication actions preliminarily before service operations. By completing authentication verification in advance through SMS or REST messages, the system establishes security permissions upfront, allowing faster subsequent operations without repeated authentication delays.
Solution Approach 2:
The patent maintains continuous authentication sessions once established. After initial authentication through SMS or REST messages, the system maintains security tokens and session states, allowing subsequent operations to proceed without repeated full authentication cycles, thus reducing time loss while maintaining security.
Data Source
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AI summary
A method of providing a home network telephony service, in which a first mobile communication terminal having a phone call connection with a second mobile communication terminal provides a phone communication service by using a first electronic device connected to a home network of the first mobile communication terminal is provided. The method includes transmitting a call initiation request message, including an address of the first electronic device, and making a request for a phone call connection using the first electronic device in response to the phone call to the second mobile communication terminal; receiving a response message in response to the call initiation request message from the second mobile communication terminal; and transmitting a call initiation request message including the address of the second electronic device and making a request to the first electronic device to originate a call to the second electronic device.