Emergency Callback Redirection via Application Server Intermediary
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Solution Overview
Problem
Current mechanisms for determining call terminations as public-safety answering point (PSAP) callbacks are ineffective, often blocked or forwarded incorrectly, and fail to reach emergency callers who are incapacitated, leading to resource wastage in attempting to reconnect and locate them.
Innovation Solution
An application server redirects emergency callbacks to alternative contacts of the emergency caller by identifying and utilizing specific options for bearer path establishment, bypassing authorization policies and ensuring the PSAP can reach the contact, thereby conserving resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the emergency callback is redirected to alternative contacts using application server intervention, then the reliability of emergency communication is improved, but the device complexity increases
Solution Approach 1:
The patent introduces an application server as an intermediary component between the PSAP and the emergency caller's device. This mediator intercepts emergency callbacks, determines whether they should be redirected to alternative contacts, and manages the redirection process. The application server acts as a intelligent broker that resolves the contradiction by adding a controlled layer of complexity that significantly improves emergency communication reliability without requiring complex changes to the core network infrastructure.
Solution Approach 2:
The system performs preliminary actions by pre-configuring alternative contact information in the application server before emergency situations occur. The application server maintains a database of alternative contacts associated with emergency callers, and this information is prepared in advance so that when an emergency callback needs redirection, the system can immediately route to the appropriate alternative contact without complex real-time decision-making, thus improving reliability while keeping the system manageable.
2Ease of operation
If the emergency callback is blocked or forwarded to incorrect numbers, then the ease of operation is maintained, but the loss of time increases
Solution Approach 1:
The patent implements a feedback mechanism where the application server monitors the status of emergency callbacks and receives information about call failures. When a callback is blocked or forwarded incorrectly, the system receives feedback about the failure condition and automatically triggers redirection to alternative contacts. This feedback loop enables the system to respond dynamically to callback failures, reducing reconnection time while maintaining simple operation through automated decision-making based on real-time call status information.
3Reliability
If the PSAP attempts to locate the emergency caller through multiple contact attempts, then the reliability of emergency response is improved, but the use of energy and resources increases
Solution Approach 1:
The application server performs preliminary actions by pre-configuring and storing alternative contact information before emergency situations occur. This advance preparation includes maintaining databases of alternative contacts, their associated devices, and routing information. When emergency callbacks need redirection, the system can immediately access this pre-prepared information and route calls efficiently, eliminating the need for multiple resource-intensive location attempts and reducing overall network resource consumption while maintaining high emergency response reliability.
Data Source
AI summary
A device may determine that a failure occurred in an emergency call between a public-safety answering point (PSAP) and a first user device associated with an emergency caller, and may identify, based on determining the failure, one of a first option, a second option, or a third option for redirecting an emergency callback to a contact of the emergency caller. The device may cause, when the first option is identified, the emergency callback to be redirected to a second user device associated with the contact of the emergency caller, and may cause, when the first option is identified, a bearer path to be established between the PSAP and the second user device for the emergency callback.