Call Transfer Notification System for Unauthorized Access Prevention

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Solution Overview

Problem

Users face challenges in controlling and managing communication session transfers across different devices, particularly due to accidental or unauthorized transfers, which can disrupt ongoing calls.

Innovation Solution

A method is implemented where a first station receives a request to transfer a communication session to a third station, prompting the user for permission and alerting the second station of the call transfer event, ensuring secure and user-controlled session management across associated devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If call transfer feature is enabled across multiple devices, then communication continuity is improved, but unauthorized or accidental transfers may occur

Engineering Contradiction:

Improvecommunication continuityVSAvoidunauthorized transfer prevention

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The system performs preliminary actions by notifying the user and obtaining permission before transferring a call. When a user initiates a call on one device and the same user logs into another device, the system proactively notifies the first device of the pending transfer and waits for user confirmation before executing the transfer, thus preventing unauthorized transfers while maintaining communication continuity.

Inventive Principle:

Principle #10Preliminary action

2Ease of operation

If automatic call transfer is implemented, then user convenience is improved, but user control over transfer permission is reduced

Engineering Contradiction:

Improveuser convenienceVSAvoidloss of user control

Core Design Contradiction:

Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The system implements feedback by notifying the user on the first device when a transfer request is initiated from a second device. The notification includes call information and a prompt for user permission. The system waits for user feedback (permission or rejection) before proceeding with the transfer, ensuring the user maintains control while still benefiting from automated notification and seamless transfer capability.

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS10341492B2Method, device, and system to notify a call transfer event from a first device to a second device

Publication Date: 2019.07.02 APPLE INC

AI summary

Method, device, and system being performed by a first station. The method includes receiving a first call identification of a first communication session between the first station and a second station. The method further includes receiving a request, from a third station, to allow the first communication session to be transferred from the first station to the third station. Following the receipt of the request, the method includes displaying a prompt on the first station for permission to allow the first communication session to be transferred to the third station and, when the permission is received, transmitting a response, to the third station, granting permission to transfer the first communication session from the first station to the third station. Additionally, upon the call being transferred, an advisory, such as an audio or visual message, may alert the second client station of the call transfer event.