IVR System Text Query Handling via VXML

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Solution Overview

Problem

Existing automated customer assistance systems face challenges in efficiently integrating telephonic and text-based query handling, requiring significant additional resources to provide similar customer service functionalities across different platforms.

Innovation Solution

A system that utilizes Voice Extensible Markup Language (VXML) applications to process and respond to text-based queries by determining the intent behind user inputs through Natural Language Understanding (NLU) and mapping it to corresponding VXML applications, allowing for seamless interaction between telephonic and text-based systems, thereby reusing existing IVR functionalities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a text-based customer assistance system is implemented separately from the telephonic system, then text-based query handling capability is improved, but system complexity and resource requirements increase

Engineering Contradiction:
Improvetext-based query handling capabilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent makes the existing IVR system universal by enabling it to handle both telephonic and text-based queries through a unified architecture. The IVR system processes text inputs from mobile devices the same way it processes voice inputs, using common components like the intent database and application logic, thereby eliminating the need for a completely separate text-based system

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent merges the telephonic IVR system and text-based assistance system into a single integrated platform. By combining text processing capabilities with existing voice processing infrastructure, the system unifies query handling across both telephonic and text interfaces, reducing overall system complexity while expanding functionality

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If additional resources are allocated to create a separate text-based assistance system, then text-based service functionality is improved, but resource utilization efficiency deteriorates

Engineering Contradiction:
Improvetext-based service functionalityVSAvoidresource utilization efficiency
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The IVR system is transformed into a multi-functional platform that serves both telephonic and text-based customer assistance needs. By designing the system to handle multiple input types (voice and text) through the same processing pipeline and application logic, existing resources are leveraged efficiently without requiring duplicate infrastructure

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system enables self-service functionality across both telephonic and text interfaces using the same automated logic. The IVR applications automatically process queries from either interface type without requiring additional human resources or separate automated systems, maximizing the efficiency of existing resources

Inventive Principle:
Principle #25Self-service

3Productivity

If VXML applications are reused for text-based queries, then resource utilization is improved, but compatibility challenges between telephonic and text interfaces arise

Engineering Contradiction:
Improveresource utilizationVSAvoidinterface compatibility complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent introduces an intermediary layer that adapts text-based inputs to work with existing VXML (Voice XML) applications designed for telephonic interfaces. This mediator component translates text queries into the appropriate format that the VXML applications can process, enabling resource reuse while managing interface compatibility through a bridging mechanism

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11729315B2Interactive voice response (IVR) for text-based virtual assistance
Publication Date: 2023.08.15 BANK OF AMERICA CORP
  • US11729315B2 patent drawing
  • US11729315B2 patent drawing
  • US11729315B2 patent drawing

AI summary

Aspects of the disclosure relate to automated text-based customer query systems. A computing device associated with a text-based query system may receive, from a user communication device, a text input at the user communication device. The computing device may determine, based on the text input, a voice extensible markup language (VXML) application from a plurality of VXML applications. The computing device may determine, based on the VXML application, a text output, and send the text output for display at the user device.