VoIP Audio Cues for Service Routing Transparency

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Solution Overview

Problem

VoIP service providers face challenges in cost-effective marketing and user confusion due to the unreliability of broadband connectivity, leading to inefficient call routing and unexpected charges when VoIP functionality is not available.

Innovation Solution

Implementing audio cues, such as distinctive dial tones, tone progressions, music, or verbal cues, to inform users about the availability of VoIP services, distinguishing them from traditional PSTN services, and providing notifications when VoIP is not operational, ensuring users are aware of the service they are using.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the ATA provides VoIP functionality via broadband connection, then service cost is reduced and functionality is enhanced, but service reliability deteriorates when broadband connection fails

Engineering Contradiction:

Improveservice costVSAvoidservice availability

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The system dynamically switches between VoIP and PSTN based on broadband connection status. When broadband is available, VoIP service is provided with enhanced functionality and lower cost. When broadband fails, the system automatically transitions to PSTN to maintain service reliability, creating a dynamic adaptation to changing conditions.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system changes the operational parameters of the ATA by detecting broadband connection status and adjusting the active communication pathway accordingly. This parameter change allows the system to optimize between cost/functionality (VoIP mode) and reliability (PSTN mode) based on real-time conditions.

Inventive Principle:

Principle #35Parameter changes

2Reliability

If the system automatically routes calls through PSTN when broadband fails, then service reliability is maintained, but user confusion increases due to lack of transparency

Engineering Contradiction:

Improveservice availabilityVSAvoiduser awareness

Core Design Contradiction:

ReliabilityVSLoss of information

Solution Approach 1:

The system provides feedback to the user through distinct dial tones that indicate the current service mode. A first dial tone indicates VoIP service is available, while a second dial tone indicates PSTN service is active. This feedback mechanism keeps users informed about the actual service being used, preventing confusion about call routing and associated costs.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The distinct dial tones act as an intermediary communication channel between the system's internal routing decisions and user awareness. Instead of directly exposing complex routing logic to users, the system uses audible cues as a mediator to convey service status information in an intuitive manner.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Adaptability or versatility

If the user must dial a prefix number to select routing, then routing flexibility is provided, but ease of operation deteriorates due to user confusion

Engineering Contradiction:

Improverouting flexibilityVSAvoiduser convenience

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The system performs self-service by automatically detecting broadband connection status and selecting the appropriate routing pathway without requiring user input. This eliminates the need for users to dial prefix numbers or make routing decisions, significantly improving ease of operation while maintaining routing flexibility through automated intelligent selection.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system extracts the routing decision-making function from the user and transfers it to the automated system. By removing the need for user involvement in routing selection, the system eliminates confusion associated with prefix dialing while preserving routing adaptability through automated detection and selection of optimal pathways.

Inventive Principle:

Principle #2Taking out (Extraction)

4Loss of information

If distinctive audio cues are provided to indicate VoIP service, then user awareness is improved, but device complexity increases

Engineering Contradiction:

Improveuser awarenessVSAvoidsystem complexity

Core Design Contradiction:

Loss of informationVSDevice complexity

Solution Approach 1:

The system replaces complex visual or textual notification mechanisms with simple audio cues (distinctive dial tones). This substitution achieves effective user awareness through a straightforward acoustic signal rather than requiring complex interfaces, displays, or multiple notification channels, thereby minimizing the increase in device complexity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS10469556B2System and method for providing audio cues in operation of a VoIP service

Publication Date: 2019.11.05 OOMA INC

AI summary

An exemplary VoIP service provides call participants cues to indicate that an enhanced service is being employed. When calling, the standard dial tone may be replaced with a distinctive dial tone or sound that indicates to the call participant that enhanced service is active (e.g., a service active sound). In some embodiments, the person called by the VoIP user hears a viral sound that indicates that an enhanced telephone service is being used. Furthermore, communication audio cues may be provided during the communication to provide further information to the call participants.