Mobile Station Incoming Call Notification Handling
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Solution Overview
Problem
Mobile stations engaged in maximum call legs or active data sessions do not receive notifications for incoming calls due to network limitations, leading to missed important calls.
Innovation Solution
A method and system for detecting when a mobile station is fully engaged and transmitting an incoming call notification, allowing users to handle the notification and potentially drop existing calls to accept the incoming call, even if the mobile station is at capacity or in an active data session.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the mobile station maintains the maximum number of call legs allowed by the network, then the network resource utilization is optimized, but the mobile station cannot receive notifications for incoming calls
Solution Approach 1:
The system performs preliminary detection of the mobile station's engagement status before attempting to connect an incoming call. When the mobile station is detected to be fully engaged, the system proactively sends a notification message to alert the user of the incoming call, allowing the user to take action before the call attempt fails.
Solution Approach 2:
The system introduces an intermediary notification message as a mediator between the incoming call request and the mobile station. This notification message serves as an intermediate communication channel that informs the user of the incoming call without requiring the mobile station to be in a state that accepts additional call legs.
2Productivity
If the mobile station is engaged in an active data session, then data transmission is maintained, but the mobile station cannot receive voice call notifications
Solution Approach 1:
The system detects whether the mobile station is engaged in an active data session before attempting voice call connection. When data session engagement is detected, the system preemptively sends a notification message to inform the user of the incoming voice call, allowing the user to decide whether to maintain data transmission or accept the voice call.
3Adaptability or versatility
If call waiting is used to maintain two calls, then call handling flexibility is improved, but the mobile station cannot receive notifications for a third incoming call
Solution Approach 1:
The system detects when the mobile station is maintaining multiple calls through call waiting and has reached its call leg limit. Before attempting to connect a third call, the system sends a notification message to inform the user of the incoming call, enabling the user to manage their call state flexibly even when at capacity.
Data Source
AI summary
A mobile station that is fully engaged such that it cannot be connected to an incoming call without being disconnected from an existing call receives an incoming call notification. The incoming call notification may, for example, take the form of a short message system (SMS) message or a packet protocol message, such as a session initiation protocol (SIP) message. The incoming call notification may identify the calling party and may explain how to take the incoming call. If the user accepts the incoming call, the mobile station is disconnected from existing calls and connected to the incoming call.