TTY Call Setup Automation via Dynamic Codec Switching
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Solution Overview
Problem
Current communication networks face challenges in automatically configuring themselves to meet the unique needs of users with disabilities, leading to delayed and inefficient emergency responses and suboptimal communication experiences.
Innovation Solution
A system and method that determine network configuration requirements based on user disabilities and incorporate these requirements into communication setup messages, allowing for automatic reconfiguration of network components such as servers and routers to optimize bandwidth, video, and menu structures, ensuring minimally satisfactory communication conditions for disabled users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the network uses standard audio codec G.729 to conserve bandwidth, then bandwidth usage is reduced, but TTY tone transmission quality deteriorates
Solution Approach 1:
The system dynamically changes the audio codec parameter from G.729 to G.711 when TTY usage is detected. This parameter change allows the network to maintain bandwidth efficiency for normal calls while ensuring high-quality TTY tone transmission when needed, resolving the contradiction between bandwidth conservation and transmission reliability.
Solution Approach 2:
The TTY device automatically generates a detection signal that enables the network to self-identify TTY usage and automatically switch to the appropriate codec. This self-service mechanism eliminates manual configuration and allows the system to adaptively resolve the codec selection contradiction without user intervention.
2Reliability
If the network uses manual TTY detection methods, then codec configuration can be adjusted, but call setup time increases significantly
Solution Approach 1:
The TTY device pre-generates a detection signal during the call setup phase, allowing the network to identify TTY usage and configure the appropriate codec before the actual communication begins. This preliminary action eliminates the need for manual detection and extended setup procedures, resolving the contradiction between configuration accuracy and setup speed.
Solution Approach 2:
The TTY device provides feedback to the network through an automated detection signal, enabling the network to receive real-time information about TTY usage and automatically configure the system accordingly. This feedback mechanism replaces manual detection processes, significantly reducing call setup time while maintaining accurate codec configuration.
3Productivity
If the network prioritizes resource allocation for general use, then overall network efficiency is maximized, but disabled users experience communication delays
Solution Approach 1:
The automated detection signal acts as an intermediary mechanism that enables the network to identify TTY users and apply appropriate resource allocation policies. This intermediary allows the system to maintain high overall resource utilization while automatically prioritizing TTY call setup, resolving the contradiction between general network efficiency and disabled user communication speed.
Data Source
AI summary
A computational component for establishing a communication between a contactor and a contactee is provided that includes a user configuration agent 324 operable to (a) determine a network configuration requirement resulting from a disability of at least one of the contactor and the contactee, (b) incorporate the disability network configuration requirement in a communication set-up message; and (c) forward the communication set-up message to a communication device associated with the contactee.