Emergency Call Routing via Dynamic Location Database
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Solution Overview
Problem
Emergency call services face challenges in accurately routing calls from VoIP devices to the correct Public Safety Answering Point (PSAP) due to the dynamic and mobile nature of these devices, which traditional location-based systems struggle to handle effectively.
Innovation Solution
A system that includes endpoint devices with location circuits, a location-determination server, and emergency servers to identify and provide physical location data, allowing for accurate routing of emergency calls by determining the nodes in the transmission route and associating them with the correct PSAP, even for devices without bidirectional audio capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional land-line telephone systems are used for emergency calls, then the association between telephone numbers and physical locations is static and easy to maintain, but new technologies like cellular and VoIP devices provide mobility options that make location determination difficult
Solution Approach 1:
The patent introduces a database as an intermediary component that stores the dynamic associations between telephone numbers and physical locations. This database acts as a mediator between the calling device and the PSAP routing system, allowing the system to handle mobile devices by looking up their current location information in the database rather than relying on static geographic associations.
Solution Approach 2:
The system changes the parameter of location association from static (land-line) to dynamic (mobile/VoIP). By implementing a database that can store and update location information for moving objects like cellular and VoIP devices, the system adapts to new technologies while maintaining accurate location determination for emergency call routing.
2Adaptability or versatility
If VoIP devices are used for emergency calls, then mobility and flexibility are improved, but accurate routing to the correct PSAP becomes difficult due to the dynamic nature of these devices
Solution Approach 1:
The system performs preliminary actions by pre-establishing the database infrastructure that stores location information for VoIP and mobile devices before emergency calls are made. This preparatory measure ensures that when an emergency call occurs, the routing system can quickly retrieve accurate location data without delay, maintaining reliability while supporting flexible devices.
Solution Approach 2:
The database serves as an intermediary that bridges the gap between flexible VoIP devices and the rigid PSAP routing system. It translates the dynamic location information from mobile devices into a format that can be used for reliable call routing, allowing the system to accommodate device flexibility while maintaining routing accuracy.
3Adaptability or versatility
If piecemeal solutions are implemented to account for new technologies, then some compatibility issues are addressed, but the overall system complexity increases and results are less than satisfactory
Solution Approach 1:
The patent implements a universal database solution that serves multiple functions: storing location information for land-line devices, cellular devices, and VoIP devices. This single multi-functional component replaces what would otherwise require multiple separate solutions for different device types, reducing system complexity while maintaining broad technology compatibility.
Solution Approach 2:
The system transitions from static location associations to dynamic location information storage. The database is designed to handle changing location data for mobile and VoIP devices, allowing the system to adapt to new technologies with a flexible, unified approach rather than rigid, device-specific solutions.
Data Source
AI summary
A variety of methods, systems, devices and arrangements are implemented for emergency call centers. According to one such method, a location database is populated from a plurality of endpoint devices. The location database determines locations for nodes in a data transmission route from information received from the endpoint devices. Emergency calls using these nodes are located using the populated database.