Captioned Telephone Relay Confirmation Mechanism
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Solution Overview
Problem
Existing telephone systems often lack support for text captioning, particularly in non-work environments, and face issues such as proprietary PBX lines, inability to confirm call initiations, and lack of options for terminating relay calls.
Innovation Solution
A method and system for commencing a caption-assisted telephone call using a combination of a first-party telephone terminal and a first-party Network appliance, which connects to a relay, specifies a call-back number, and requires a confirmation activity to continue the call process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a relay service is used to provide text captioning for hard of hearing users, then text transcription capability is improved, but call confirmation and security are worsened due to inability to verify call initiation
Solution Approach 1:
The system performs preliminary actions by requiring the user to enter a confirmation code or press a confirmation button before the relay call is actually initiated. This preliminary confirmation step ensures that the user intentionally authorizes the call, preventing unauthorized relay calls while maintaining text transcription capabilities.
Solution Approach 2:
The system implements feedback mechanisms where the relay service provides visual or audible confirmation to the user that their call initiation request has been received and is being processed. This feedback loop allows users to verify that their input is being correctly interpreted and acted upon, enhancing call confirmation security.
2Adaptability or versatility
If captioned telephone service is made available in non-work environments, then adaptability is improved, but system complexity increases due to need to support multiple telephone line types
Solution Approach 1:
The relay service is designed with universal compatibility to work across multiple telephone line types including PBX systems, analog lines, and digital lines. The system incorporates multiple communication protocols and interfaces that allow it to adapt to different telephone infrastructure environments without requiring separate specialized systems for each type.
Solution Approach 2:
The system dynamically adjusts its operational parameters based on the detected telephone line type. When connected to different line types (PBX, analog, digital), the relay service automatically modifies its communication protocols, signal processing methods, and interface behaviors to optimize performance for each specific environment.
3Ease of operation
If automatic call initiation is enabled for relay services, then ease of operation is improved, but unauthorized call initiation risk increases
Solution Approach 1:
Before automatic call initiation occurs, the system requires the user to pre-configure and confirm their authorization through a secondary channel such as a confirmation code entry or a separate verification step. This preliminary authorization ensures that even though calls can be initiated automatically, only authorized calls can proceed, preventing misuse while maintaining operational convenience.
Solution Approach 2:
The system implements dynamic control where the automatic call initiation feature can be enabled or disabled based on user preferences and contextual conditions. The authorization level and initiation permissions can be adjusted in real-time, allowing the system to balance convenience and security based on the specific situation and user needs.
Data Source
AI summary
A communication system and method for displaying text captions corresponding to voice communications between an assisted user's mobile wireless device and a separate hearing user's device includes at least one communication component configured to enable the appliance to communicate with a relay, a display, and a processor operably coupled to the at least one communication component and the display. The processor is configured to enable the assisted user to establish an association between the appliance and the mobile device, receive text originating at the relay, the text corresponding to a transcript of the hearing user's voice signal originating at the hearing user's device, and cause text captions corresponding to the received text to be displayed on the display.