Caller Switching During Active Voice Calls
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Solution Overview
Problem
Current wireless communication systems lack a straightforward method for users to seamlessly switch calling parties during an active voice call, resulting in significant interruptions and user effort.
Innovation Solution
A method and system for wireless user equipment (UE) devices to implement automatic caller switching, allowing users to switch calling parties without noticeable interruption, using techniques such as multi-party calls or alternative signaling mechanisms like SIP in VoLTE, triggered by user input or predefined conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users manually disconnect and re-dial to switch calling parties, then the calling party can be switched, but significant time and effort are required and call continuity is interrupted
Solution Approach 1:
The system establishes a return call in advance before disconnecting the original call. The called party's device initiates a return call to the original calling party while the original call is still active, so that when the original call is disconnected, the return call is already established and ready to continue seamlessly.
Solution Approach 2:
The voice communication continues without interruption throughout the caller switching process. By overlapping the return call establishment with the active call period and using seamless handoff mechanisms, the useful action of voice communication maintains continuity rather than being broken into separate disconnected segments.
2Ease of operation
If users manually place call on hold and initiate multi-party call to switch callers, then the calling party can be switched, but the process is complex and interrupts the call
Solution Approach 1:
The patent extracts the return call establishment from the manual multi-party call process. Instead of requiring users to manually manage call holding and multi-party setup, the system automatically initiates and manages the return call as a separate extracted operation that simplifies the overall switching mechanism.
Solution Approach 2:
The system performs automatic caller switching without requiring manual user intervention for each step. The device logic automatically detects the switching request, initiates the return call, manages the disconnection of the original call, and completes the handoff, making the system self-serving rather than requiring complex manual user operations.
3Extent of automation
If automatic caller switching is implemented, then user effort is minimized and call continuity is maintained, but device complexity increases
Solution Approach 1:
The device logic is designed to handle multiple functions within a unified automatic switching mechanism. The same logic handles call establishment, return call initiation, original call disconnection, and handoff completion, making the system multi-functional and reducing the need for separate specialized components for each switching step.
Data Source
AI summary
Automatic caller switching in a cellular voice call. A first voice call may be initiated between a first wireless user equipment (UE) device and a second UE via a cellular network. An indication may be received to switch calling parties for the first voice call. A second voice call may be established between the first UE and the second UE via the cellular network in response to the indication to switch calling parties for the first voice call. The calling and called parties may be reversed (switched) for the second voice call relative to the first voice call. The first voice call may be disconnected.