Softphone Automatic Mode Switching for TTY and Multimedia Calls
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Solution Overview
Problem
Softphone applications in VoIP networks lack automatic mode switching and device selection based on call media requirements, leading to inadequate support for non-voice telephony applications like TTY and multimedia calls, which is a challenge in contact centers, especially for compliance with regulations like Section 508 of the Rehabilitation Act Amendments.
Innovation Solution
A process and system that includes a telephony module with discrete modes for voice-only and non-voice communications, a contact type identification module to determine media types, and a mode controller to automatically switch between modes and direct calls to appropriate communication devices based on media requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If softphone applications use discrete modes for different communication types, then they can support specialized telephony applications like TTY and video calls, but users must manually switch between modes which reduces productivity and increases complexity
Solution Approach 1:
The softphone application automatically detects the type of incoming call (voice, TTY, video, etc.) and self-configures the appropriate communication mode without requiring manual user intervention. The system monitors call characteristics and autonomously switches between discrete modes to match the required communication type.
Solution Approach 2:
The softphone application implements dynamic mode switching where the communication mode changes automatically based on real-time call requirements. The system transitions between discrete modes (road warrior, telecommuter, shared control) dynamically as different types of calls are received, eliminating the need for static manual configuration.
2Adaptability or versatility
If softphone applications embed support for multiple TTY protocols and media formats, then they can accommodate diverse telephony requirements, but the device complexity and cost increase significantly
Solution Approach 1:
The softphone application divides support for multiple TTY protocols into separate, independently loadable modules or plugins. Each protocol (V.18, V.21, EDT, Mintel, Baudot, TurboCode) is implemented as a distinct module that can be activated only when needed, rather than embedding all protocols simultaneously in the core application.
Solution Approach 2:
The softphone application implements a universal architecture that can handle multiple TTY protocols through a common interface and control mechanism. The system provides multi-protocol support via external modules while maintaining a single unified softphone application structure, reducing core complexity while preserving versatility.
3Ease of operation
If the softphone application automatically detects and switches modes based on call type, then productivity and ease of operation improve, but the system requires additional intelligence and control mechanisms
Solution Approach 1:
The softphone application implements feedback mechanisms that monitor incoming call characteristics (signaling patterns, protocol identifiers, media types) and automatically adjust the communication mode based on this feedback. The system continuously receives information about the call type and uses this feedback to trigger appropriate mode transitions.
Solution Approach 2:
The softphone application pre-configures multiple discrete modes (road warrior, telecommuter, shared control) with their respective protocol handlers and capabilities ready in advance. When a call arrives, the system quickly matches the call type against pre-defined mode templates and activates the appropriate pre-configured mode, reducing the complexity of real-time decision-making.
Data Source
AI summary
The present disclosure is directed, in some embodiments, to automatic switching of a telephony module between different operational modes in response to the identification of different types of incoming contacts.