Roaming Emergency Call Recording for Home Network Visibility
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Solution Overview
Problem
When a communication device like a smartphone makes an emergency call outside its home network, the home network lacks sufficient information about the priority communication executed in a roaming network.
Innovation Solution
A wireless communication system with a priority communication detection unit that switches the communicator to a roaming network for priority communication and records related information, including a connection unit to connect to a different network and a recording unit to log this information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a communicator roams to a second wireless communication network to make emergency calls when the home network is unavailable, then emergency call capability is maintained, but the home network cannot obtain sufficient information about the emergency call
Solution Approach 1:
The patent introduces a roaming network as an intermediary mediator that temporarily hosts the emergency call while the home network maintains information collection capabilities through signaling protocols. The roaming network acts as a bridge that enables call connectivity while allowing information to be transmitted back to the home network operator for recording and analysis.
2Adaptability or versatility
If the communicator switches to a roaming network for priority communication, then communication availability is improved, but the home network loses control and visibility of the communication details
Solution Approach 1:
The patent implements feedback mechanisms where the roaming network sends signaling information about the emergency call back to the home network. This allows the home network to maintain visibility and record communication details including caller information, location data, and call status, even while the actual call traffic flows through the roaming network infrastructure.
Data Source
AI summary
A wireless communication system includes: a priority communication detection unit that detects priority communication from a communication device that communicates wirelessly; a connection unit that connects the communicator for which the priority communication is detected by the priority communication detection unit to a roaming network that is different from the home network under contract; a recording unit that records priority communication related information regarding priority communication executed by the communication device in the roaming network; and the notification unit that notifies the home network of the priority communication related information recorded by the recording unit.