Managing Multiple Mobile Device Numbers on Single Secondary Devices
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Solution Overview
Problem
Existing communication systems do not efficiently manage multiple mobile device numbers (MDNs) associated with a single secondary device, leading to conflicts and limitations in handling incoming and outgoing communications.
Innovation Solution
Implementing a software stack with multiple instances of SIP transaction/transport services and an arbitration function at the application layer to manage communication states for each MDN, allowing users to choose which account to use for outgoing communications and ensuring correct updates for both the secondary device and the telecommunications network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a secondary device is associated with multiple MDNs, then the device can handle communications from multiple accounts, but conflicts arise in managing communication states and determining which account to use for outgoing communications
Solution Approach 1:
The patent divides the communication management system into separate communication state instances, with each instance dedicated to a specific MDN. This segmentation allows the secondary device to independently track and manage communication states (such as active calls, messages, or data sessions) for each associated MDN without interference, resolving the conflict between handling multiple accounts and managing complexity.
Solution Approach 2:
The patent introduces an arbitration function as an intermediary layer between the multiple communication state instances and the secondary device's resources. This arbitration function receives requests from any MDN instance, evaluates current system state and policies, and makes decisions about resource allocation and conflict resolution, thereby enabling multi-MDN support while maintaining manageable complexity through centralized coordination.
2Ease of operation
If multiple MDNs are associated with a single secondary device, then users can receive communications from different accounts on one device, but arbitration mechanisms are needed to resolve conflicts in communication state management
Solution Approach 1:
The patent implements self-service through autonomous communication state instances, where each MDN's communication state is automatically tracked and managed independently without requiring manual user intervention. The system automatically handles state transitions, conflict detection, and resource allocation decisions, reducing operational complexity while maintaining ease of use for the end user.
Solution Approach 2:
The arbitration function continuously monitors the communication states of all associated MDNs and automatically adjusts resource allocation based on real-time system conditions and predefined policies. This feedback mechanism enables the system to dynamically resolve conflicts between multiple MDNs without user intervention, maintaining ease of operation while implementing sophisticated automated conflict resolution.
Data Source
AI summary
Multiple mobile device numbers (MDNs) may be associated with a single user device. For outgoing communications, the user may choose which of the accounts are to be used. For incoming communications, application layer processes may perform an arbitration function to ensure that that the communication state, associated with each MDN, is correctly updated both at the user device and in the telecommunications network.