Sensor-Based Mute Control for Softphone Clients
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Solution Overview
Problem
Traditional push-to-talk buttons on desk phones are prone to circumvention, leading to security concerns and repetitive strain injuries, and are incompatible with VoIP systems, which require user-driven transmission control without manual hardware solutions.
Innovation Solution
A sensor-based mute control system for softphone clients that uses a headset manager to monitor call states, worn states, and elapsed time thresholds to automatically mute and unmute microphones, eliminating the need for physical buttons and reducing the risk of unintended transmissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a physical push-to-talk button is used on a desk phone, then user-driven transmission control is achieved, but the system becomes vulnerable to circumvention and security breaches
Solution Approach 1:
The patent replaces the mechanical push-to-talk button system with a sensor-based detection system that uses optical or capacitive sensors to detect when a headset is worn. This substitution eliminates the physical button while maintaining user-driven transmission control through automated sensor input, thereby improving security by removing the circumvention vulnerability of physical buttons.
Solution Approach 2:
The system automatically detects headset wear status through sensors and autonomously controls microphone muting without requiring manual button presses. The sensor-based system self-regulates transmission based on detected conditions (headset worn vs. not worn), eliminating the need for user interaction with physical controls while maintaining security.
2Reliability
If a physical push-to-talk button is used, then transmission control is achieved, but repetitive strain injuries increase
Solution Approach 1:
The patent eliminates the mechanical push-to-talk button entirely and replaces it with sensor-based detection that automatically triggers transmission control. This substitution removes the repetitive mechanical action that causes strain injuries while maintaining reliable transmission control through automated sensor response.
Solution Approach 2:
The system performs transmission control automatically based on sensor detection without requiring user manipulation of physical controls. The self-service mechanism detects headset wear status and autonomously manages microphone muting, eliminating repetitive user actions that lead to occupational injuries.
3Reliability
If a manual push-to-talk solution is implemented, then user intent control is achieved, but the system is incompatible with VoIP and softphone environments
Solution Approach 1:
The patent implements a universal sensor-based detection system that works across multiple communication platforms including traditional VoIP softphones and modern communication applications. The sensor detects headset wear status and automatically controls transmission, providing user intent control that is compatible with both legacy and modern VoIP systems, thereby achieving multi-functionality and broad adaptability.
4Reliability
If sensor-based mute control is implemented, then security and user intent control are improved, but system complexity increases
Solution Approach 1:
The patent introduces a sensor as an intermediary component that automatically detects headset wear status and triggers appropriate transmission control actions. This intermediary approach simplifies the overall system architecture by using a dedicated sensor to handle detection and control logic, rather than requiring complex manual control mechanisms, thereby improving security while managing system complexity.
Data Source
AI summary
A method is provided for sensor-based mute control for a softphone client. The method includes monitoring a softphone client, and detecting an incoming call to the softphone client. Also, the method includes starting a timer in response to detecting the incoming call. Further, the method includes receiving, from a headset, a don event, and, in response to receiving the don event from the headset, comparing an elapsed time of the timer to a predetermined time threshold. Moreover, the method includes sending an unmute command to the headset based on the comparison of the elapsed time to the predetermined time threshold.