Mobile Switching Center Notification Value Field for Call Importance Signaling
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Solution Overview
Problem
Current wireless communications networks do not provide a way for recipients to determine the importance level of incoming calls, leading to potential missed important calls due to call screening.
Innovation Solution
Incorporating a notification value field in the Initial Address Message (IAM) that indicates the importance level of a call, allowing the recipient mobile device to display this information, which is generated and transmitted by the mobile switching center based on the designation made by the caller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If call screening is implemented to filter incoming calls, then users can avoid unwanted calls, but important calls may be missed due to inability to determine call importance
Solution Approach 1:
The system performs preliminary action by designating an importance level for the call before the call is connected to the recipient. The mobile switching center sets a notification value field in the initial address message based on the importance level designated by the caller, allowing the recipient to see the importance indicator before answering, thus preventing important calls from being missed while still allowing screening of non-important calls.
2Ease of operation
If the notification value field is set to indicate importance level, then recipients can make informed decisions about answering calls, but additional signaling processing is required
Solution Approach 1:
The notification value field in the initial address message is designed to serve multiple functions: it indicates call importance level to the recipient, enables informed call decision-making, and maintains compatibility with existing call screening mechanisms. This multi-functional approach allows the same field to support both simplicity for users and enhanced functionality without requiring separate complex signaling systems.
Data Source
AI summary
A method of communicating an importance level of a call to a recipient mobile device is disclosed. The method includes receiving call information for a particular call at a mobile switching center and generating an initial address message for the particular call. The initial address message may include a notification value field. The method further includes determining whether an importance level has been designated for the particular call, setting a value of the notification value field based on whether an importance level has been designated for the particular call, and transmitting the initial address message for the particular call to a recipient mobile device.