Call Setup Gateway Server for BYOD Privacy and Billing
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Solution Overview
Problem
Companies face challenges in distinguishing between personal and corporate mobile communications, particularly in BYOD policies, where private numbers are exposed, and existing solutions like dual SIMs are impractical. Existing call management systems struggle to efficiently route business calls to be billed to the company while keeping personal numbers private.
Innovation Solution
A system where a mobile device application builds a data packet with caller ID and phone number, transmitted to a control server, which routes the call through a gateway server, allowing the company's number to be displayed instead of the personal mobile device number, enabling cost-effective billing and privacy for business calls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mobile device uses two SIMs (one private and one company-owned) to distinguish between personal and corporate communications, then the distinction between personal and corporate calls is improved, but the device complexity and cost increase significantly
Solution Approach 1:
The patent introduces a gateway server as an intermediary between the mobile device and the corporate communication network. The gateway server receives calls from the mobile device using the employee's private number, retrieves the corresponding corporate number from a database, and forwards the call. This mediator approach allows corporate call management without requiring dual SIM cards or complex device modifications.
2Ease of operation
If the mobile device displays the employee's private number to called parties, then the ease of operation is improved, but the privacy and security of the employee's personal information deteriorates
Solution Approach 1:
The gateway server acts as a privacy-protecting intermediary that masks the employee's private number. When a call is forwarded through the gateway, the called party sees the gateway's number or a corporate number instead of the employee's personal number. This maintains ease of operation while protecting privacy.
Solution Approach 2:
The system creates a virtual copy of the corporate identity that can be displayed to external parties. Instead of exposing the real private number, the system uses a corporate number or gateway number as a proxy, allowing communication while preserving the employee's personal information privacy.
3Productivity
If the company bears the costs of transmission and phone calls for employee communications, then the productivity is improved by eliminating personal cost barriers, but the loss of energy (costs) increases
Solution Approach 1:
The system applies different billing qualities to different calls based on their purpose. Corporate-related calls are billed to the company through the gateway server, while personal calls remain on the employee's private line. This local differentiation allows the company to bear costs only for business communications, improving productivity without unnecessarily increasing overall costs.
Data Source
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AI summary
A phone call is initialized at a mobile device (18) by an application, which causes the mobile phone to build a data packet (26) containing a caller identifier and the phone number to be called selected by the user. The application transmits the data packet via a packet-oriented mobile data service to a control server (14), which enters the information contained in the data packet into a link database (22). The application further initializes a phone call to a gateway server (12) using the gateway server's phone number. The gateway server sees the caller ID of the incoming phone call and uses it to look up the corresponding phone number to be called in the link database, which it has access to. The gateway server then forwards the incoming phone call to the phone number to be called.