Dual SIM Conference Call Management System
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Solution Overview
Problem
Existing teleconference systems are limited by a predefined number of participants, leading to excessive charges and security risks, particularly when users connect via unsecure Wi-Fi, allowing potential hacker access.
Innovation Solution
A system utilizing two SIM cards to manage conference calls, automatically distributing calls between them, verifying participant phone numbers against a database, and muting alerts to maintain security and reduce participant disturbance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single SIM card is used for conference calls, then the system is simple to operate, but the number of participants is limited to a predefined number (e.g., five) and excessive charges are incurred
Solution Approach 1:
The system divides the conference call management into multiple SIM cards (first SIM card and second SIM card), each capable of handling a predefined number of calls independently. This segmentation allows the system to exceed the participant limit of a single SIM card while maintaining operational simplicity through automated switching between SIM cards based on call count thresholds.
2Quantity of substance
If multiple SIM cards are used to increase participant capacity, then the number of participants can exceed the predefined limit, but the system complexity increases
Solution Approach 1:
The system implements self-service automation where the processor automatically monitors the number of active calls on the first SIM card, determines when the predefined limit is reached, and autonomously switches subsequent calls to the second SIM card. This eliminates the need for manual SIM card switching or complex user intervention, thereby reducing perceived system complexity despite using multiple SIM cards.
Solution Approach 2:
The system employs feedback mechanisms where the processor continuously monitors call counts on each SIM card and dynamically adjusts call routing based on real-time status. This feedback loop ensures optimal utilization of available SIM card capacity and automatically manages the transition between SIM cards, simplifying the user experience while enabling extended participant capacity.
3Reliability
If manual processes are used to add users to conference calls, then security control is improved, but the ease of operation deteriorates
Solution Approach 1:
The system performs preliminary verification of participant phone numbers against a database before allowing them to join the conference call. This pre-verification process ensures security control by validating authorized participants in advance, while the automated nature of the verification maintains ease of operation by eliminating manual security checks during the call setup process.
4Ease of operation
If users connect via unsecure Wi-Fi, then ease of access is improved, but security risks increase allowing hacker access
Solution Approach 1:
The system performs preliminary verification of participant phone numbers against a database before allowing them to join the conference call. This pre-verification process ensures security control by validating authorized participants in advance, while the automated nature of the verification maintains ease of operation by eliminating manual security checks during the call setup process.
Data Source
Figure 1
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AI summary
The invention relates to a system comprising at least a first SIM card and a second SIM card, each SIM card being arranged to receive/make a predefined number of calls during a conference call; a processor and a memory device coupled to the processor, the memory device containing instructions which, when executed by the processor are arranged to: determine the number of calls received/made by the first SIM card during the conference call; and if the number of calls received/made by the first SIM card exceeds or reaches a predefined number of calls that can be received/made by the first SIM card, the processor being arranged to direct the rest of the calls arranged to be received/made by the first SIM card to be received/made by the second SIM card.