Communication Terminal Call Reception Mode Selection
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Solution Overview
Problem
Existing methods for establishing telephone calls between portable communication terminals do not allow the called user to choose the communication mode, either voice or data, independently of the network chosen by the caller, leading to suboptimal communication quality and increased roaming charges in situations where data networks are available but voice networks are not.
Innovation Solution
A method that enables the called user to select the communication mode by displaying a man-machine interface on their terminal, allowing them to choose between 'voice' mode using a telephone communication network or 'data' mode using a voice over IP technology, through a system comprising a call server, voice over IP server, and application server, which allocates temporary numbers and facilitates the reconstitution of the telephone link based on user preference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the called user has no choice but to receive calls in the mode transmitted by the caller, then the system is simple to operate, but the called user cannot avoid high roaming charges when data networks are available but voice networks are not
Solution Approach 1:
The patent introduces a server as an intermediary that receives the initial call signal from the caller, converts it to a data network signal (VoIP), and transmits it to the called terminal. This mediator enables the called user to receive calls via data network (avoiding roaming charges) while maintaining transparency for the caller who uses traditional voice network
Solution Approach 2:
The patent changes the network parameter (voice vs data) dynamically based on the called user's preference and availability. The system allows switching between voice network and data network modes, enabling the called user to select data network mode when available to avoid roaming charges while maintaining call functionality
2Reliability
If the called user can choose between voice and data modes, then communication quality is improved by using available networks, but the system complexity increases with multiple servers and conversion processes
Solution Approach 1:
The patent uses a server as an intermediary that handles the complexity of network conversion and mode selection. The server receives calls from either voice or data networks, converts between formats as needed, and manages the switching logic, thereby isolating the terminal complexity from the user and simplifying the overall system architecture
Solution Approach 2:
The patent implements a universal server system that can handle multiple functions: receiving calls from both voice and data networks, converting between VoIP and traditional voice protocols, and routing to the called terminal in the appropriate mode. This multi-functional approach consolidates complexity into a single component rather than requiring separate systems for each function
3Loss of energy
If voice over IP is used when on the move, then roaming charges are reduced, but the network coverage must be sufficient to support the bandwidth-intensive technology
Solution Approach 1:
The patent implements a dynamic system that adapts the communication mode based on real-time network conditions. The called terminal can dynamically switch between voice network and data network modes depending on which network is available and suitable, ensuring continuous call functionality while optimizing for cost and quality based on current network coverage
Data Source
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AI summary
The subject of the present invention is a method for managing the reception of a telephone call signal on a communication terminal (B), with a view to the establishment of a telephone link, said telephone link being established by way of a server (S1, S3), said called communication terminal (B) being able to receive the telephone call signal according to at least two modes, comprising a "voice" mode, in which the telephone link between the called communication terminal (B) and the server (S1) is ensured by way of a telephone communication network (N), and a "data" mode, in which the telephone link between the called communication terminal (B) and the server (S3) is ensured by way of a network for data communication according to a "Voice over IP" technology, said method comprising the direct selection, by the user of the method, of the mode of establishment of the telephone link. The method comprising the allocating by a call server (S1) of a temporary number to the calling communication terminal (a).