Communication Terminal Call Control Section Switching
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Solution Overview
Problem
Existing communication terminals with both IP telephone and IP wireless call functions lack seamless switching mechanisms, particularly in devices with a main body and handset configuration, leading to inefficient user experience.
Innovation Solution
A communication terminal with integrated Push to Talk and IP telephone capabilities, utilizing a call control section to switch between modes based on handset off-hook states, ensuring appropriate call functions are activated by the main body or handset, and displaying relevant information to guide user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a communication terminal has both IP telephone call function and IP wireless call function with a single microphone and speaker, then device complexity is reduced, but ease of operation deteriorates due to difficulty in switching between functions
Solution Approach 1:
The patent introduces a call control section as an intermediary component that manages the switching between IP telephone call function and IP wireless call function. This mediator automatically determines which function to activate based on the handset state (off-hook or on-hook), resolving the operational difficulty without increasing overall device complexity.
2Adaptability or versatility
If a stationary communication terminal has main body-side speaker, main body-side microphone, handset-side speaker, and handset-side microphone, then adaptability is improved, but ease of operation worsens due to complex switching requirements
Solution Approach 1:
The call control section implements self-service by automatically detecting the handset state (off-hook or on-hook) and autonomously selecting the appropriate call function without requiring user intervention. The system monitors its own state and makes switching decisions automatically, maintaining adaptability while simplifying operation.
Solution Approach 2:
The system employs feedback mechanisms where the call control section continuously monitors the handset state and adjusts the call function accordingly. This feedback loop ensures that the appropriate function is activated based on real-time device state, resolving the contradiction between adaptability and ease of operation.
3Reliability
If switching between IP telephone call function and IP wireless call function requires user instruction, then reliability is improved through deliberate user choice, but loss of time increases due to additional switching steps
Solution Approach 1:
The call control section performs preliminary actions by pre-configuring the switching logic based on handset state before the user needs to make a call. When the handset is picked up (off-hook state), the system has already determined the appropriate function to activate, eliminating the need for explicit user switching instructions and reducing time loss while maintaining reliable operation.
Data Source
AI summary
To provide a communication terminal capable of carrying out appropriate switching between a plurality of communication methods. A communication terminal includes: a call control section which controls calling carried out by an IP wireless processing section for IP wireless communication and an IP telephone processing section for IP telephone calling. The call control section carries out control so that (a) in a case where IP wireless communication calling is carried out by a main body-side speaker and a main body-side microphone at the time when a handset is brought into an off-hook state, IP wireless communication calling is carried out by the handset and (b) in a case where IP wireless communication is not carried out at the time when the handset is brought into an off-hook state, IP telephone calling is carried out by the handset.