Voice Assistant Session Transfer for Privacy
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Solution Overview
Problem
Voice-based virtual assistants face challenges in maintaining privacy during communication sessions due to varying environments, where existing solutions fail to effectively suspend or transfer secure communication sessions based on environmental privacy conditions.
Innovation Solution
A system and method that utilize an application server to initiate secure communication sessions with voice assistant devices, suspend sessions if the environment is not private, and transfer sessions to another authorized device if the new environment is private, using OAuth 2.0 standard for authentication and sensor data to determine privacy levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a voice assistant maintains continuous secure communication sessions, then user convenience and service continuity are improved, but privacy security deteriorates when the environment is not private
Solution Approach 1:
The communication session state is made dynamic, allowing it to transition between active, suspended, and transferred states based on real-time environmental privacy conditions. The system continuously monitors privacy indicators and adjusts session status accordingly, enabling the voice assistant to maintain service readiness while ensuring privacy protection when needed.
Solution Approach 2:
An application server acts as an intermediary between the voice assistant device and external services. The server receives session status notifications from the voice assistant and coordinates session suspension and transfer operations, enabling centralized control over communication sessions while maintaining privacy security across distributed devices.
2Reliability
If the system suspends secure communication sessions in non-private environments, then privacy security is improved, but service availability worsens
Solution Approach 1:
The system performs preliminary actions by suspending communication sessions in advance when privacy conditions deteriorate, rather than waiting for potential privacy breaches. This proactive approach ensures privacy security is maintained before any sensitive information could be compromised, while the session can be quickly resumed or transferred to maintain service availability.
Solution Approach 2:
The system implements a feedback loop where the voice assistant continuously monitors environmental privacy conditions and notifies the application server of status changes. Based on this feedback, the server automatically triggers session suspension or transfer operations, creating a responsive system that adapts to changing privacy conditions while minimizing service disruption.
3Reliability
If the system transfers secure communication sessions to another device, then privacy security is improved, but device complexity worsens
Solution Approach 1:
The application server provides universal session management capabilities that work across multiple voice assistant devices. The server handles session suspension, transfer, and resumption operations in a standardized manner, eliminating the need for each device to implement complex session management logic independently. This multi-functional approach simplifies individual device complexity while enabling secure session transfer across the ecosystem.
Data Source
AI summary
A system, device and method for enforcing privacy during a communication session with a voice assistant are disclosed. In response to a determination that an environment of a first voice assistant device is not private, a first secure communication session between the first voice assistant device and an application server is suspended. In response a determination that one or more other voice assistant devices have been authorized for communication with the application server is made and input to transfer the first secure communication session, a second secure communication session between a second voice assistant device and the application server is initiated. The first secure communication session between the first voice assistant device and the application server is terminated in response to successful initiation of the second secure communication session.